ARM: imx: move mx1 support to mach-imx

arch/arm/Makefile

arch/arm/mach-imx/Kconfig

arch/arm/mach-imx/Makefile

arch/arm/mach-imx/Makefile.boot

arch/arm/mach-imx/clock-imx1.c

arch/arm/mach-imx/devices.c

arch/arm/mach-imx/devices.h

arch/arm/mach-imx/mach-mx1ads.c

arch/arm/mach-imx/mach-scb9328.c

arch/arm/mach-imx/mm-imx1.c

arch/arm/mach-imx/mx1-camera-fiq-ksym.c

arch/arm/mach-imx/mx1-camera-fiq.S

arch/arm/mach-mx1/Kconfig

arch/arm/mach-mx1/Makefile

arch/arm/mach-mx1/Makefile.boot

arch/arm/mach-mx1/devices.c

arch/arm/mach-mx1/devices.h

arch/arm/plat-mxc/Kconfig