Regenerate autotools files for AVR32.

bfd:
	* Makefile.in: Regenerated for AVR32.
	* aclocal.m4: Likewise.
	* bfd-in2.h: Likewise.
	* configure: Likewise.
	* doc/Makefile.in: Likewise.
	* libbfd.h: Likewise.

gas:
	* Makefile.in: Regenerated for AVR32.
	* doc/Makefile.in: Regenerated for AVR32.

ld:
	* Makefile.in: Regenerated for AVR32.

opcodes:
	* configure: Regenerated for AVR32.