ARM: multi_v7_defconfig: Enable options for Exynos display support

Many Exynos devices have devices attached to their display ports.
This patch enables the needed Kconfig options to support different
configuration such as simple panel, embedded DisplayPort (eDP) to
LVDS bridges and HDMI displays.
Signed-off-by: NJavier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
[kgene@kernel.org: savedefconfig]
Signed-off-by: NKukjin Kim <kgene@kernel.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

arch/arm/configs/multi_v7_defconfig

@@ -414,6 +414,11 @@ CONFIG_VIDEO_RENESAS_VSP1=m
 # CONFIG_MEDIA_SUBDRV_AUTOSELECT is not set
 CONFIG_VIDEO_ADV7180=m
 CONFIG_DRM=y
+CONFIG_DRM_PTN3460=m
+CONFIG_DRM_PS8622=m
+CONFIG_DRM_EXYNOS=m
+CONFIG_DRM_EXYNOS_FIMD=y
+CONFIG_DRM_EXYNOS_HDMI=y
 CONFIG_DRM_RCAR_DU=m
 CONFIG_DRM_TEGRA=y
 CONFIG_DRM_PANEL_SIMPLE=y
@@ -424,6 +429,7 @@ CONFIG_FB_SIMPLE=y
 CONFIG_FB_SH_MOBILE_MERAM=y
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_LCD_PLATFORM=m
 CONFIG_BACKLIGHT_PWM=y
 CONFIG_BACKLIGHT_AS3711=y
 CONFIG_FRAMEBUFFER_CONSOLE=y