ARM: multi_v7_defconfig: enable HDMI output for Renesas RCar

Actviate HDMI output of the RCar DU (and LVDS while we are here).
Enable the HDMI encoder chip found on Lager/Koelsch boards.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/configs/multi_v7_defconfig

@@ -440,6 +440,7 @@ CONFIG_VIDEO_RENESAS_VSP1=m
 CONFIG_VIDEO_ADV7180=m
 CONFIG_VIDEO_ML86V7667=m
 CONFIG_DRM=y
+CONFIG_DRM_I2C_ADV7511=m
 # CONFIG_DRM_I2C_CH7006 is not set
 # CONFIG_DRM_I2C_SIL164 is not set
 CONFIG_DRM_NXP_PTN3460=m
@@ -450,6 +451,8 @@ CONFIG_DRM_EXYNOS_DSI=y
 CONFIG_DRM_EXYNOS_FIMD=y
 CONFIG_DRM_EXYNOS_HDMI=y
 CONFIG_DRM_RCAR_DU=m
+CONFIG_DRM_RCAR_HDMI=y
+CONFIG_DRM_RCAR_LVDS=y
 CONFIG_DRM_TEGRA=y
 CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0=m
 CONFIG_DRM_PANEL_SIMPLE=y