[PATCH] mips: changed from VR41xx to VR4100 series in Kconfig

This patch has changed from VR41XX to VR4100 series in arch/mips/Kconfig.

Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>