* config/alpha/alpha.c: Fix comment typos.
	* config/alpha/alpha.md: Likewise.
	* config/arm/arm.c: Likewise.
	* config/arm/arm.md: Likewise.
	* config/arm/lib1funcs.asm: Likewise.
	* config/avr/avr.md: Likewise.
	* config/arm/README-interworking: Fix typos.

From-SVN: r69277