arm: samsung: Move CONFIG_MISC_COMMON to Kconfig

This option controls using board/samsung/common/misc.c, so add a Kconfig
file there as well and select it from the boards which use this
functionality.

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/mach-s5pc1xx/Kconfig b/arch/arm/mach-s5pc1xx/Kconfig
index 8cffced..b6a4b0b 100644
--- a/arch/arm/mach-s5pc1xx/Kconfig
+++ b/arch/arm/mach-s5pc1xx/Kconfig
@@ -9,6 +9,7 @@
 	select OF_CONTROL
 	select BLK
 	select DM_MMC
+	select MISC_COMMON
 
 config TARGET_SMDKC100
 	bool "Support smdkc100 board"