uboot-imx

ARM: uniphier: collect SPL CONFIG symbols to the bottom of header

For clarification, move CONFIG symbols that affect SPL building
into a single place.  Drop #ifdef CONFIG_SPL ... #endif since it is
harmless to define CONFIG_SPL_... during U-Boot proper building.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>