bug #28611: -i delay not being applied to all serial port
bit banging state transitions
* serbb_win32.c: Apply ispdelay everywhere.
* serbb_posix.c: (Dito.)
git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@917 81a1dc3b-b13d-400b-aceb-764788c761c2