ARM: S5PV310: Place the common SPARSEMEM at ARCH_S5PV310

In case of S5PV310/S5PC210, it uses the SPARSEMEM as default memory
configuration. So moved to ARCH_S5PV310 config.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[kgene.kim@samsung.com: edited title]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/Kconfig

@@ -731,6 +731,7 @@ config ARCH_S5PV210
 config ARCH_S5PV310
 	bool "Samsung S5PV310/S5PC210"
 	select CPU_V7
+	select ARCH_SPARSEMEM_ENABLE
 	select GENERIC_GPIO
 	select HAVE_CLK
 	select GENERIC_CLOCKEVENTS

arch/arm/mach-s5pv310/Kconfig

@@ -32,7 +32,6 @@ menu "S5PC210 Machines"
 config MACH_SMDKC210
 	bool "SMDKC210"
 	select CPU_S5PV310
-	select ARCH_SPARSEMEM_ENABLE
 	select S3C_DEV_RTC
 	select S3C_DEV_WDT
 	help
@@ -42,7 +41,6 @@ config MACH_SMDKC210
 config MACH_UNIVERSAL_C210
 	bool "Mobile UNIVERSAL_C210 Board"
 	select CPU_S5PV310
-	select ARCH_SPARSEMEM_ENABLE
 	help
 	  Machine support for Samsung Mobile Universal S5PC210 Reference
 	  Board. S5PC210(MCP) is one of package option of S5PV310
@@ -54,7 +52,6 @@ menu "S5PV310 Machines"
 config MACH_SMDKV310
 	bool "SMDKV310"
 	select CPU_S5PV310
-	select ARCH_SPARSEMEM_ENABLE
 	select S3C_DEV_RTC
 	select S3C_DEV_WDT
 	help