arm: Introduce ARCH_OMAP2

To start consolidating various TI-related code, introduce the ARCH_OMAP2
symbol.  While we have removed omap2-specific boards some time ago,
matching up with the kernel naming here will help overall.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index d7a9b11..3082451 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -126,6 +126,11 @@
 	  ARM_SOC_BOOT0_HOOK which contains the required assembler
 	  preprocessor code.
 
+config ARCH_OMAP2
+	bool
+	select CPU_V7
+	select SUPPORT_SPL
+
 choice
 	prompt "Target select"
 	default TARGET_HIKEY
@@ -327,71 +332,61 @@
 
 config TARGET_BRXRE1
 	bool "Support BRXRE1"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 
 config TARGET_BRPPT1
 	bool "Support BRPPT1"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 
 config TARGET_DRACO
 	bool "Support draco"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 	select DM
 	select DM_SERIAL
 	select DM_GPIO
 
 config TARGET_THUBAN
 	bool "Support thuban"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 	select DM
 	select DM_SERIAL
 	select DM_GPIO
 
 config TARGET_RASTABAN
 	bool "Support rastaban"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 	select DM
 	select DM_SERIAL
 	select DM_GPIO
 
 config TARGET_ETAMIN
 	bool "Support etamin"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 	select DM
 	select DM_SERIAL
 	select DM_GPIO
 
 config TARGET_PXM2
 	bool "Support pxm2"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 	select DM
 	select DM_SERIAL
 	select DM_GPIO
 
 config TARGET_RUT
 	bool "Support rut"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 	select DM
 	select DM_SERIAL
 	select DM_GPIO
 
 config TARGET_TI814X_EVM
 	bool "Support ti814x_evm"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 
 config TARGET_TI816X_EVM
 	bool "Support ti816x_evm"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 
 config TARGET_BCM23550_W1D
 	bool "Support bcm23550_w1d"
@@ -486,25 +481,21 @@
 
 config OMAP34XX
 	bool "OMAP34XX SoC"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 	select USE_TINY_PRINTF
 
 config OMAP44XX
 	bool "OMAP44XX SoC"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 	select USE_TINY_PRINTF
 
 config OMAP54XX
 	bool "OMAP54XX SoC"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 
 config AM43XX
 	bool "AM43XX SoC"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 	help
 	  Support for AM43xx SOC from Texas Instruments.
 	  The AM43xx high performance SOC features a Cortex-A9
@@ -514,8 +505,7 @@
 
 config AM33XX
 	bool "AM33XX SoC"
-	select CPU_V7
-	select SUPPORT_SPL
+	select ARCH_OMAP2
 	help
 	  Support for AM335x SOC from Texas Instruments.
 	  The AM335x high performance SOC features a Cortex-A8