dt-bindings: pinctrl: rockchip: add rk3308 SoC support

Add rk3308 SoC support to rockchip pinctrl.

Acked-by: Rob Herring <[email protected]>
Reviewed-by: Heiko Stuebner <[email protected]>
Signed-off-by: Jianqun Xu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Linus Walleij <[email protected]>

Author: jayxurockchip

Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt

@@ -29,6 +29,7 @@ Required properties for iomux controller:
 		"rockchip,rk3188-pinctrl":  for Rockchip RK3188
 		"rockchip,rk3228-pinctrl":  for Rockchip RK3228
 		"rockchip,rk3288-pinctrl":  for Rockchip RK3288
+		"rockchip,rk3308-pinctrl":  for Rockchip RK3308
 		"rockchip,rk3328-pinctrl":  for Rockchip RK3328
 		"rockchip,rk3368-pinctrl":  for Rockchip RK3368
 		"rockchip,rk3399-pinctrl":  for Rockchip RK3399