i386: update error message format.

Use '%qs' instead of '(%qs)'.

	PR target/104898

gcc/ChangeLog:

	* config/i386/i386-options.cc (ix86_option_override_internal):
	  Use '%qs' instead of '(%qs)'.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/pr99753.c: Update test.
	* gcc.target/i386/spellcheck-options-1.c: Likewise.
	* gcc.target/i386/spellcheck-options-2.c: Likewise.
	* gcc.target/i386/spellcheck-options-4.c: Likewise.