PR target/4198
	PR target/12027
	* config.gcc (Obsolete configurations): Remove
	sparclite-*-coff*, sparclite-*-elf* and sparc-*-openbsd*.
	(sparclite-*-coff*): Delete.
	(sparclite-*-elf*): Likewise.
	(sparc86x-*-elf*): Likewise.
	(target_cpu_default) <sparc*-*-*>: Remove sparc86x.
	* config/sparc/lite.h: Delete.
	* config/sparc/litecoff.h: Likewise.
	* config/sparc/liteelf.h: Likewise.
	* config/sparc/sp86x-elf.h: Likewise.
	* config/sparc/t-sparclite: Likewise.
	* config/sparc/t-sp86x: Likewise.

From-SVN: r97555