pinctrl: rockchip: add support for new DT bindings
This patch modifies the Rockchip pinctrl driver to comply with the new
DT bindings, which use two syscon nodes to specify the address of
memory resources.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>