configs: stm32f769-disco: Enable VIDEO_LOGO flag

The patch removes the legacy mode of displaying the ST logo and adopts
the approach introduced by the commit 284b08fb51b6 ("board: stm32mp1: add
splash screen with stmicroelectronics logo").

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
diff --git a/configs/stm32f769-disco_defconfig b/configs/stm32f769-disco_defconfig
index a92032d..3514a78 100644
--- a/configs/stm32f769-disco_defconfig
+++ b/configs/stm32f769-disco_defconfig
@@ -56,6 +56,7 @@
 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
@@ -64,7 +65,6 @@
 CONFIG_VIDEO_STM32_MAX_YRES=800
 CONFIG_SPLASH_SCREEN=y
 CONFIG_SPLASH_SCREEN_ALIGN=y
-CONFIG_VIDEO_BMP_RLE8=y
 CONFIG_BMP_16BPP=y
 CONFIG_BMP_24BPP=y
 CONFIG_BMP_32BPP=y