board: stm32f469-disco: add splash screen with stmicroelectronics logo

Display the STMicroelectronics logo with features VIDEO_LOGO and
SPLASH_SCREEN on stm32f469-disco board.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
diff --git a/configs/stm32f469-discovery_defconfig b/configs/stm32f469-discovery_defconfig
index 85e795e..b7e35ae 100644
--- a/configs/stm32f469-discovery_defconfig
+++ b/configs/stm32f469-discovery_defconfig
@@ -42,12 +42,15 @@
 CONFIG_DM_SPI=y
 CONFIG_STM32_QSPI=y
 CONFIG_VIDEO=y
+CONFIG_VIDEO_LOGO=y
 CONFIG_BACKLIGHT_GPIO=y
 CONFIG_VIDEO_LCD_ORISETECH_OTM8009A=y
 CONFIG_VIDEO_STM32=y
 CONFIG_VIDEO_STM32_DSI=y
 CONFIG_VIDEO_STM32_MAX_XRES=480
 CONFIG_VIDEO_STM32_MAX_YRES=800
+CONFIG_SPLASH_SCREEN=y
+CONFIG_SPLASH_SCREEN_ALIGN=y
 CONFIG_BMP_16BPP=y
 CONFIG_BMP_24BPP=y
 CONFIG_BMP_32BPP=y