MAINTAINERS: Add myself as mep maintainer.

[toplevel]

	* MAINTAINERS: Add myself as mep maintainer.

[gcc]

	Add MeP port.
	* config.gcc: Add mep support.
	* recog.c: Resurrect validate_replace_rtx_subexp().
	* recog.h: Likewise.
	* config/mep/: Add new port:
	* config/mep/constraints.md: New file.
	* config/mep/default.h: New file.
	* config/mep/intrinsics.h: New file.
	* config/mep/intrinsics.md: New file.
	* config/mep/ivc2-template.h: New file.
	* config/mep/mep-c5.cpu: New file.
	* config/mep/mep-core.cpu: New file.
	* config/mep/mep-default.cpu: New file.
	* config/mep/mep-ext-cop.cpu: New file.
	* config/mep/mep-intrin.h: New file.
	* config/mep/mep-ivc2.cpu: New file.
	* config/mep/mep-lib1.asm: New file.
	* config/mep/mep-lib2.c: New file.
	* config/mep/mep-pragma.c: New file.
	* config/mep/mep-protos.h: New file.
	* config/mep/mep-tramp.c: New file.
	* config/mep/mep.c: New file.
	* config/mep/mep.cpu: New file.
	* config/mep/mep.h: New file.
	* config/mep/mep.md: New file.
	* config/mep/mep.opt: New file.
	* config/mep/predicates.md: New file.
	* config/mep/t-mep: New file.

[gcc/testsuite]

	Add MeP port.
	* lib/target-supports.exp: Add mep support (no profiling).

[libgcc]

	Add MeP port.
	* config.host: Add mep support.

[libstdc++-v3]

	Add MeP port.
	* configure.host: Add mep support.

From-SVN: r148890