ARM: multi_v7_defconfig: enable STMicroelectronics DRM Support

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 33421c8..42741a5 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -556,6 +556,7 @@
 CONFIG_DRM_TEGRA=y
 CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0=m
 CONFIG_DRM_PANEL_SIMPLE=y
+CONFIG_DRM_STI=m
 CONFIG_DRM_VC4=y
 CONFIG_FB_ARMCLCD=y
 CONFIG_FB_WM8505=y