rockchip: video: Add mipi driver support for rockchip soc

Add basic driver for mipi display on rockchip soc platform.

Signed-off-by: Eric Gao <eric.gao@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/rockchip/Makefile b/drivers/video/rockchip/Makefile
index 3bb0519..c742902 100644
--- a/drivers/video/rockchip/Makefile
+++ b/drivers/video/rockchip/Makefile
@@ -10,4 +10,5 @@
 obj-$(CONFIG_DISPLAY_ROCKCHIP_EDP) += rk_edp.o
 obj-$(CONFIG_DISPLAY_ROCKCHIP_LVDS) += rk_lvds.o
 obj-$(CONFIG_DISPLAY_ROCKCHIP_HDMI) += rk_hdmi.o ../dw_hdmi.o
+obj-$(CONFIG_DISPLAY_ROCKCHIP_MIPI) += rk_mipi.o
 endif