* configure.ac (rl78-*-*) New case.
	* configure: Regenerate.
	* MAINTAINERS: Add myself as RL78 maintainer.

libgcc
	* config.host (rl78-*-elf): New case.
	* config/rl78: New directory for the Renesas RL78.

gcc
	* config.gcc (rl78-*-elf): New case.
	* doc/extend.texi: Add RL78 documentation.
	* doc/invoke.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/contrib.texi: Add RL78.
	* doc/install.texi: Add rl78-*-elf.
	* config/rl78: New directory for the Renesas RL78.

contrib
	* config-list.mk (LIST): Add rl78-elf.

From-SVN: r181819