Convert CONFIG_SPLASH_SCREEN et al to Kconfig
This converts the following to Kconfig:
CONFIG_SPLASH_SCREEN
CONFIG_SPLASH_SCREEN_ALIGN
CONFIG_SPLASHIMAGE_GUARD
CONFIG_SPLASH_SOURCE
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/libretech-s912-pc_defconfig b/configs/libretech-s912-pc_defconfig
index a156610..005dc0b 100644
--- a/configs/libretech-s912-pc_defconfig
+++ b/configs/libretech-s912-pc_defconfig
@@ -72,4 +72,6 @@
CONFIG_SYS_WHITE_ON_BLACK=y
CONFIG_VIDEO_MESON=y
CONFIG_VIDEO_DT_SIMPLEFB=y
+CONFIG_SPLASH_SCREEN=y
+CONFIG_SPLASH_SCREEN_ALIGN=y
CONFIG_OF_LIBFDT_OVERLAY=y