stk500 initialization routine. However, allow one to use the -F
option to ignore a bad return code from that function. I think this
still allows what Joerg intended, i.e., providing a way to still get
into terminal mode so that one can recover from setting bad STK500
values which may keep the chip from entering programming mode.
git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@359 81a1dc3b-b13d-400b-aceb-764788c761c2