Add CPU idle support by a call to SoC build-in power management core.
Add system reset support by a simple write to system controll register.
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>