board: Add display to STM32F746 SoC discovery board

Signed-off-by: yannick fertre <yannick.fertre@st.com>
diff --git a/configs/stm32f746-disco_defconfig b/configs/stm32f746-disco_defconfig
index 99eecd6..8139ab1 100644
--- a/configs/stm32f746-disco_defconfig
+++ b/configs/stm32f746-disco_defconfig
@@ -29,6 +29,7 @@
 CONFIG_CMD_SNTP=y
 CONFIG_CMD_DNS=y
 CONFIG_CMD_LINK_LOCAL=y
+CONFIG_CMD_BMP=y
 CONFIG_CMD_TIMER=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
@@ -53,5 +54,10 @@
 # CONFIG_PINCTRL_FULL is not set
 CONFIG_DM_SPI=y
 CONFIG_STM32_QSPI=y
+CONFIG_DM_VIDEO=y
+CONFIG_BACKLIGHT_GPIO=y
+CONFIG_VIDEO_STM32=y
+CONFIG_VIDEO_STM32_MAX_XRES=480
+CONFIG_VIDEO_STM32_MAX_YRES=640
 CONFIG_OF_LIBFDT_OVERLAY=y
 # CONFIG_EFI_LOADER is not set