restored inadvertantly removed buspirate entry

git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@867 81a1dc3b-b13d-400b-aceb-764788c761c2

config_gram.y

@@ -84,6 +84,7 @@ static int parse_cmdbits(OPCODE * op);
 %token K_BAUDRATE
 %token K_BS2
 %token K_BUFF
+%token K_BUSPIRATE
 %token K_CHIP_ERASE_DELAY
 %token K_DEDICATED
 %token K_DEFAULT_PARALLEL
@@ -427,6 +428,12 @@ prog_parm :
     }
   } |
 
+  K_TYPE TKN_EQUAL K_BUSPIRATE {
+    {
+      buspirate_initpgm(current_prog);
+    }
+  } |
+
   K_TYPE TKN_EQUAL K_STK600 {
     {
       stk600_initpgm(current_prog);