i.MX2 family: Add basic mach support

This patch adds basic mach support for the mx2 processor family, based
on the original freescale code and adapted to mainline kernel coding
style.

This part adds the global build only.

Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>

arch/arm/Makefile

@@ -137,6 +137,7 @@ endif
  machine-$(CONFIG_ARCH_DAVINCI)	   := davinci
  machine-$(CONFIG_ARCH_KS8695)     := ks8695
   incdir-$(CONFIG_ARCH_MXC)	   := mxc
+ machine-$(CONFIG_ARCH_MX2)	   := mx2
  machine-$(CONFIG_ARCH_MX3)	   := mx3
  machine-$(CONFIG_ARCH_ORION5X)	   := orion5x
  machine-$(CONFIG_ARCH_MSM7X00A)   := msm

arch/arm/mm/Kconfig

@@ -180,8 +180,8 @@ config CPU_ARM925T
 # ARM926T
 config CPU_ARM926T
 	bool "Support ARM926T processor"
-	depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 || ARCH_NS9XXX || ARCH_DAVINCI
-	default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 || ARCH_NS9XXX || ARCH_DAVINCI
+	depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 || ARCH_NS9XXX || ARCH_DAVINCI || ARCH_MX2
+	default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 || ARCH_NS9XXX || ARCH_DAVINCI || ARCH_MX2
 	select CPU_32v5
 	select CPU_ABRT_EV5TJ
 	select CPU_PABRT_NOIFAR

arch/arm/plat-mxc/Kconfig

@@ -3,9 +3,14 @@ if ARCH_MXC
 menu "Freescale MXC Implementations"
 
 choice
-	prompt "MXC/iMX System Type"
+	prompt "MXC/iMX Base Type"
 	default ARCH_MX3
 
+config ARCH_MX2
+	bool "MX2-based"
+	help
+	  This enables support for systems based on the Freescale i.MX2 family
+
 config ARCH_MX3
 	bool "MX3-based"
 	help
@@ -13,6 +18,7 @@ config ARCH_MX3
 
 endchoice
 
+source "arch/arm/mach-mx2/Kconfig"
 source "arch/arm/mach-mx3/Kconfig"
 
 endmenu