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/mx23evk_defconfig b/configs/mx23evk_defconfig
index 227c627..51f4a0f 100644
--- a/configs/mx23evk_defconfig
+++ b/configs/mx23evk_defconfig
@@ -38,4 +38,5 @@
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_STORAGE=y
CONFIG_VIDEO=y
+CONFIG_SPLASH_SCREEN=y
CONFIG_OF_LIBFDT=y