Add a reset controller for Marvell Berlin SoCs which is used by the
USB PHYs drivers (for now).
Signed-off-by: NAntoine Ténart <antoine.tenart@free-electrons.com>
Acked-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>