ARM: uniphier: move CONFIG_ARMV8_MULTIENTRY to Kconfig

I just did not notice this option had an entry in Kconfig.

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

arch/arm/mach-uniphier/Kconfig

@@ -11,6 +11,7 @@ config ARCH_UNIPHIER_64BIT
 	bool
 	select ARM64
 	select SPL_SEPARATE_BSS
+	select ARMV8_MULTIENTRY
 
 choice
         prompt "UniPhier SoC select"

include/configs/uniphier.h

@@ -99,7 +99,6 @@
 #define CONFIG_SYS_MMC_ENV_PART		1
 
 #ifdef CONFIG_ARM64
-#define CONFIG_ARMV8_MULTIENTRY
 #define CPU_RELEASE_ADDR			0x80000000
 #define COUNTER_FREQUENCY			50000000
 #define CONFIG_GICV3