Add missing ATtiny targets

+ a little formatting

src/avrdude.conf.in

@@ -2082,9 +2082,16 @@ part
         read            = "0 1 0 1  1 0 0 0  0 0 0 0  1 0 0 0",
                           "x x x x  x x x x  o o o o  o o o o";
       ;
-
 ;
 
+#------------------------------------------------------------
+# ATtiny13A
+#------------------------------------------------------------
+
+part parent "t13"
+    id               = "t13a";
+    desc             = "ATtiny13A";
+  ;
 
 #------------------------------------------------------------
 # ATtiny15
@@ -7234,14 +7241,11 @@ part
         read            = "0  0  1  1   1  0  0  0    x x x x  x x x x",
                           "0  0  0  0   0  0 a1 a0    o o o o  o o o o";
     ;
-
 ;
 
-
 #------------------------------------------------------------
 # ATtiny261
 #------------------------------------------------------------
-# Close to ATtiny26
 
 part
     id                  = "t261";
@@ -7425,14 +7429,20 @@ part
         read            = "0  0  1  1   1  0  0  0    x x x x  x x x x",
                           "0  0  0  0   0  0  0  0    o o o o  o o o o";
     ;
-
 ;
 
+#------------------------------------------------------------
+# ATtiny261A
+#------------------------------------------------------------
+
+part parent "t261"
+    id               = "t261a";
+    desc             = "ATtiny261A";
+  ;
 
 #------------------------------------------------------------
 # ATtiny461
 #------------------------------------------------------------
-# Close to ATtiny261
 
 part
     id                  = "t461";
@@ -7616,14 +7626,20 @@ part
         read            = "0  0  1  1   1  0  0  0    x x x x  x x x x",
                           "0  0  0  0   0  0  0  0    o o o o  o o o o";
     ;
-
 ;
 
+#------------------------------------------------------------
+# ATtiny461A
+#------------------------------------------------------------
+
+part parent "t461"
+    id               = "t461a";
+    desc             = "ATtiny461A";
+  ;
 
 #------------------------------------------------------------
 # ATtiny861
 #------------------------------------------------------------
-# Close to ATtiny461
 
 part
     id                  = "t861";
@@ -7807,9 +7823,16 @@ part
         read            = "0  0  1  1   1  0  0  0    x x x x  x x x x",
                           "0  0  0  0   0  0  0  0    o o o o  o o o o";
     ;
-
 ;
 
+#------------------------------------------------------------
+# ATtiny861A
+#------------------------------------------------------------
+
+part parent "t861"
+    id               = "t861a";
+    desc             = "ATtiny861A";
+  ;
 
 #------------------------------------------------------------
 # ATtiny28
@@ -8742,6 +8765,14 @@ writepage   = "  1   1   0   0      0   0   1   0",
         ;
 ;
 
+#------------------------------------------------------------
+# ATtiny828R
+#------------------------------------------------------------
+
+part parent "t828"
+    id              = "t828r";
+    desc            = "ATtiny828R";
+  ;
 
 #------------------------------------------------------------
 # ATtiny87
@@ -9947,6 +9978,15 @@ part
      ;
   ;
 
+#------------------------------------------------------------
+# ATtiny2313A
+#------------------------------------------------------------
+
+part parent "t2313"
+    id              = "t2313a";
+    desc            = "ATtiny2313A";
+  ;
+
 #------------------------------------------------------------
 # ATtiny4313
 #------------------------------------------------------------
@@ -11986,6 +12026,15 @@ part
      ;
   ;
 
+#------------------------------------------------------------
+# ATtiny24A
+#------------------------------------------------------------
+
+part parent "t24"
+    id               = "t24a";
+    desc             = "ATtiny24A";
+  ;
+
 #------------------------------------------------------------
 # ATtiny44
 #------------------------------------------------------------
@@ -12170,6 +12219,15 @@ part
      ;
   ;
 
+#------------------------------------------------------------
+# ATtiny44A
+#------------------------------------------------------------
+
+part parent "t44"
+    id               = "t44a";
+    desc             = "ATtiny44A";
+  ;
+
 #------------------------------------------------------------
 # ATtiny84
 #------------------------------------------------------------
@@ -12355,6 +12413,15 @@ part
      ;
   ;
 
+#------------------------------------------------------------
+# ATtiny84A
+#------------------------------------------------------------
+
+part parent "t84"
+    id               = "t84a";
+    desc             = "ATtiny84A";
+  ;
+
 #------------------------------------------------------------
 # ATtiny441
 #------------------------------------------------------------
@@ -16086,7 +16153,7 @@ part parent "uc3a0512"
 ;
 
 #------------------------------------------------------------
-# ATtiny1634.
+# ATtiny1634
 #------------------------------------------------------------
 
 part
@@ -16274,6 +16341,15 @@ part
         ;
 ;
 
+#------------------------------------------------------------
+# ATtiny1634R
+#------------------------------------------------------------
+
+part parent "t1634"
+    id              = "t1634r";
+    desc            = "ATtiny1634R";
+  ;
+
 #------------------------------------------------------------
 # Common values for reduced core tinys (4/5/9/10/20/40)
 #------------------------------------------------------------