re PR target/57756 (Function target attribute is retaining state of previously seen function)

PR target/57756

Replace further references to global_options in functions
ix86_option_override_internal and ix86_valid_target_attribute_tree
in config/i386/i386.c.

	PR target/57756
	* config/i386/i386.c (ix86_option_override_internal):
	Change TARGET_SSE2 to TARGET_SSE2_P (opts->...)
	(ix86_valid_target_attribute_tree):
	Change TARGET_64BIT to TARGET_64BIT_P (opts->...)
	Change TARGET_SSE to TARGET_SSE_P (opts->...)

From-SVN: r203991