* gas/mips/sync.d: Pass -mips2 to the assembler.

	* gas/mips/sync.d: Pass -mips2 to the assembler.
	* gas/mips/elf_e_flags.s: Tweak code so that the tests pass for
	mips-elf target as well as mips64-elf target.
	* gas/mips/elf_e_flags1.d: Corresponding changes.
	* gas/mips/elf_e_flags2.d: Likewise.
	* gas/mips/elf_e_flags3.d: Likewise.
	* gas/mips/elf_e_flags4.d: Likewise.
	* gas/elf/elf.exp: Add setup_xfail for mips*-*-*.
	* gas/all/itbl-test.c (main): Update itbl_get_reg_val call for new
	parameter.