* config/alpha/alpha.c: Remove mentions of deprecates macros
	in comments, remove some target-independent comments about target
	macros, and/or add minimal function comments for target hook
	implementations.
	* config/avr/avr.c: Likewise.
	* config/ia64/ia64.h: Likewise.
	* config/ip2k/ip2k.c: Likewise.
	* config/iq2000/iq2000.c: Likewise.
	* config/m32r/m32r.h: Likewise.
	* config/m68hc11/m68hc11.c: Likewise.
	* config/mcore/mcore.c: Likewise.
	* config/mmix/mmix.c: Likewise.
	* config/mn10300/mn10300.c: Likewise.
	* config/pa/pa.c: Likewise.
	* config/pdp11/pdp11.c: Likewise.
	* config/rs6000/rs6000.h: Likewise.
	* config/sh/sh.c: Likewise.
	* config/sh/sh.h: Likewise.
	* config/sparc/sparc.c: Likewise.
	* config/sparc/sparc.h: Likewise.
	* config/stormy16/stormy16.c: Likewise.
	* config/xtensa/xtensa.c: Likewise.

From-SVN: r77005