ARM: exynos_defconfig: Enable display on Trats2 board

Enable the Exynos DSI and S6E8AA0 panel for full X11 display on Trats2.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

arch/arm/configs/exynos_defconfig

@@ -135,9 +135,11 @@ CONFIG_DRM_BRIDGE=y
 CONFIG_DRM_PTN3460=y
 CONFIG_DRM_PS8622=y
 CONFIG_DRM_EXYNOS=y
+CONFIG_DRM_EXYNOS_DSI=y
 CONFIG_DRM_EXYNOS_FIMD=y
 CONFIG_DRM_EXYNOS_DP=y
 CONFIG_DRM_PANEL=y
+CONFIG_DRM_PANEL_S6E8AA0=y
 CONFIG_DRM_PANEL_SIMPLE=y
 CONFIG_FB=y
 CONFIG_FB_MODE_HELPERS=y