ARM: PRIMA2: adjust Kconfig to support select SoC features

Now we have primaII, but will include Marco and Polo in mach-prima2
as well. We add Kconfig menu so that we can select necessary SoC
features.
Signed-off-by: Barry Song <Baohua.Song@csr.com>

arch/arm/Kconfig

@@ -407,9 +407,8 @@ config ARCH_GEMINI
 	help
 	  Support for the Cortina Systems Gemini family SoCs
 
-config ARCH_PRIMA2
-	bool "CSR SiRFSoC PRIMA2 ARM Cortex A9 Platform"
-	select CPU_V7
+config ARCH_SIRF
+	bool "CSR SiRF"
 	select NO_IOPORT
 	select ARCH_REQUIRE_GPIOLIB
 	select GENERIC_CLOCKEVENTS
@@ -419,9 +418,8 @@ config ARCH_PRIMA2
 	select PINCTRL
 	select PINCTRL_SIRF
 	select USE_OF
-	select ZONE_DMA
 	help
-          Support for CSR SiRFSoC ARM Cortex A9 Platform
+	  Support for CSR SiRFprimaII/Marco/Polo platforms
 
 config ARCH_EBSA110
 	bool "EBSA-110"
@@ -1118,6 +1116,8 @@ source "arch/arm/mach-exynos/Kconfig"
 
 source "arch/arm/mach-shmobile/Kconfig"
 
+source "arch/arm/mach-prima2/Kconfig"
+
 source "arch/arm/mach-tegra/Kconfig"
 
 source "arch/arm/mach-u300/Kconfig"

arch/arm/configs/prima2_defconfig

 CONFIG_EXPERIMENTAL=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
 CONFIG_RELAY=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_KALLSYMS_ALL=y
@@ -8,9 +10,7 @@ CONFIG_MODULE_UNLOAD=y
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_BSD_DISKLABEL=y
 CONFIG_SOLARIS_X86_PARTITION=y
-CONFIG_ARCH_PRIMA2=y
-CONFIG_NO_HZ=y
-CONFIG_HIGH_RES_TIMERS=y
+CONFIG_ARCH_SIRF=y
 CONFIG_PREEMPT=y
 CONFIG_AEABI=y
 CONFIG_KEXEC=y
@@ -36,7 +36,6 @@ CONFIG_SPI=y
 CONFIG_SPI_SIRF=y
 CONFIG_SPI_SPIDEV=y
 # CONFIG_HWMON is not set
-# CONFIG_HID_SUPPORT is not set
 CONFIG_USB_GADGET=y
 CONFIG_USB_FILE_STORAGE=m
 CONFIG_USB_MASS_STORAGE=m

arch/arm/mach-prima2/Kconfig

+if ARCH_SIRF
+
+menu "CSR SiRF primaII/Marco/Polo Specific Features"
+
+config ARCH_PRIMA2
+	bool "CSR SiRFSoC PRIMA2 ARM Cortex A9 Platform"
+	default y
+	select CPU_V7
+	select ZONE_DMA
+	help
+          Support for CSR SiRFSoC ARM Cortex A9 Platform
+
+endmenu
+
+endif