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/pico-imx6ul_defconfig b/configs/pico-imx6ul_defconfig
index 5c841c3..da51e37 100644
--- a/configs/pico-imx6ul_defconfig
+++ b/configs/pico-imx6ul_defconfig
@@ -74,3 +74,5 @@
CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
CONFIG_CI_UDC=y
CONFIG_VIDEO=y
+CONFIG_SPLASH_SCREEN=y
+CONFIG_SPLASH_SCREEN_ALIGN=y