Pull up following revision(s) (requested by go in ticket #48):
external/bsd/acpica/bin/iasl/Makefile: revision 1.5
sys/external/bsd/acpica/dist/include/acapps.h: revision 1.2
Fix MKREPRO = yes
XXX: pullup to 6
Fix for MKREPRO = yes
XXX: pullup to 6
Use the release date as suggested.
XXX: I bet this is going to be broken in the next import because nobody
will remember to fix it.