ARM: S5PV310: update S5PV310 Kconfig for supporting multiple machines

This patch updates Kconfig of mach-s5pv310 for easily dividing S5PC210
and S5PV310 boards. S5PC210(MCP) machines and S5PV310 machines can be
build into one kernel, this will be provied/submitted when new defconfig
can be merged.
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s5pv310/Kconfig

@@ -27,6 +27,8 @@ config S5PV310_SETUP_I2C2
 
 # machine support
 
+menu "S5PC210 Machines"
+
 config MACH_SMDKC210
 	bool "SMDKC210"
 	select CPU_S5PV310
@@ -35,13 +37,6 @@ config MACH_SMDKC210
 	  Machine support for Samsung SMDKC210
 	  S5PC210(MCP) is one of package option of S5PV310
 
-config MACH_SMDKV310
-	bool "SMDKV310"
-	select CPU_S5PV310
-	select ARCH_SPARSEMEM_ENABLE
-	help
-	  Machine support for Samsung SMDKV310
-
 config MACH_UNIVERSAL_C210
 	bool "Mobile UNIVERSAL_C210 Board"
 	select CPU_S5PV310
@@ -50,4 +45,17 @@ config MACH_UNIVERSAL_C210
 	  Machine support for Samsung Mobile Universal S5PC210 Reference
 	  Board. S5PC210(MCP) is one of package option of S5PV310
 
+endmenu
+
+menu "S5PV310 Machines"
+
+config MACH_SMDKV310
+	bool "SMDKV310"
+	select CPU_S5PV310
+	select ARCH_SPARSEMEM_ENABLE
+	help
+	  Machine support for Samsung SMDKV310
+
+endmenu
+
 endif