ARM: shmobile: Remove G3EVM machine support

This machine is using old CPU of shmobile (SH7367) and cannot obtain
machine, either.
Therefore, remove G3EVM support.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

diff --cc arch/arm/configs/g3evm_defconfig
Simple merge

diff --cc arch/arm/mach-shmobile/Kconfig
Simple merge

diff --cc arch/arm/mach-shmobile/Makefile
Simple merge

diff --cc arch/arm/mach-shmobile/board-g3evm.c
Simple merge