s5p: Remove empty arch_misc_init

We don't need to provide an empty arch_misc_init function here, we can
just not enable the hook.

Cc: Stefan Bosch <stefan_b@posteo.net>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/cpu/armv7/s5p4418/cpu.c b/arch/arm/cpu/armv7/s5p4418/cpu.c
index fcaafc0..8febfe5 100644
--- a/arch/arm/cpu/armv7/s5p4418/cpu.c
+++ b/arch/arm/cpu/armv7/s5p4418/cpu.c
@@ -84,10 +84,3 @@
 	/* Enable D-cache. I-cache is already enabled in start.S */
 	dcache_enable();
 }
-
-#if defined(CONFIG_ARCH_MISC_INIT)
-int arch_misc_init(void)
-{
-	return 0;
-}
-#endif	/* CONFIG_ARCH_MISC_INIT */
diff --git a/configs/s5p4418_nanopi2_defconfig b/configs/s5p4418_nanopi2_defconfig
index 12688e1..5356161 100644
--- a/configs/s5p4418_nanopi2_defconfig
+++ b/configs/s5p4418_nanopi2_defconfig
@@ -29,7 +29,6 @@
 CONFIG_SUPPORT_RAW_INITRD=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_BOOTDELAY=1
-CONFIG_ARCH_MISC_INIT=y
 CONFIG_BOARD_LATE_INIT=y
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PBSIZE=1050