[binutils-gdb] sim: avr: convert to nrun.o

[sergiodj+buildbot@redhat.com]

*** TEST RESULTS FOR COMMIT 9943d3185abb9aa3e7269ece80d00e9020187ec6 ***

Author: Mike Frysinger <vapier@gentoo.org>
Branch: master
Commit: 9943d3185abb9aa3e7269ece80d00e9020187ec6

sim: avr: convert to nrun.o
Looks like a lot more work than actually was -- the main decode loop
was de-indented by dropping the loop as a step-once function.