rockchip: pinctrl: Add rv1108 pinctrl driver

Add pinctrl support for Rockchip rv1108 soc

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pinctrl/rockchip/Makefile b/drivers/pinctrl/rockchip/Makefile
index 7b7c470..a1c655d 100644
--- a/drivers/pinctrl/rockchip/Makefile
+++ b/drivers/pinctrl/rockchip/Makefile
@@ -11,3 +11,4 @@
 obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3328) += pinctrl_rk3328.o
 obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3368) += pinctrl_rk3368.o
 obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3399) += pinctrl_rk3399.o
+obj-$(CONFIG_PINCTRL_ROCKCHIP_RV1108) += pinctrl_rv1108.o