mips.c (mips_set_mips16_mode): Use separate anchor settings for MIPS16.

gcc/
	* config/mips/mips.c (mips_set_mips16_mode): Use separate anchor
	settings for MIPS16.
	(mips_use_anchors_for_symbol_p): Use default_use_anchors_for_symbol_p.

From-SVN: r128366