ARM: multi_v7_defconfig: Enable new Rockchip display-controller drivers

Three types of display controller-drivers where added recently. The
Analogix Displayport variant and Designware MIPI DSI used for example
on the rk3288 as well as the Innosilicon HDMI controller used on the
rk3036.
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
Signed-off-by: NOlof Johansson <olof@lixom.net>

arch/arm/configs/multi_v7_defconfig

@@ -534,7 +534,10 @@ CONFIG_DRM_EXYNOS_DSI=y
 CONFIG_DRM_EXYNOS_FIMD=y
 CONFIG_DRM_EXYNOS_HDMI=y
 CONFIG_DRM_ROCKCHIP=m
+CONFIG_ROCKCHIP_ANALOGIX_DP=m
 CONFIG_ROCKCHIP_DW_HDMI=m
+CONFIG_ROCKCHIP_DW_MIPI_DSI=m
+CONFIG_ROCKCHIP_INNO_HDMI=m
 CONFIG_DRM_RCAR_DU=m
 CONFIG_DRM_RCAR_HDMI=y
 CONFIG_DRM_RCAR_LVDS=y