ARM: SAMSUNG: move platform device for s5p uart into plat-samsung

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 1922413..5ce6bc8 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -146,6 +146,12 @@
 	  Internal configuration option to enable the s3c specific gpio
 	  chip tracking if the platform requires it.
 
+# uart options
+
+config S5P_DEV_UART
+	def_bool y
+	depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
+
 # ADC driver
 
 config S3C_ADC