ARM: add Highbank core platform support

This adds basic support for the Calxeda Highbank platform.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Reviewed-by: Shawn Guo <shawn.guo@linaro.org>

diff --cc arch/arm/Kconfig
Simple merge

diff --cc arch/arm/Kconfig.debug
Simple merge

diff --cc arch/arm/Makefile
Simple merge

diff --cc arch/arm/mach-highbank/Makefile
Simple merge

diff --cc arch/arm/mach-highbank/Makefile.boot
Simple merge

diff --cc arch/arm/mach-highbank/clock.c
Simple merge

diff --cc arch/arm/mach-highbank/core.h
Simple merge

diff --cc arch/arm/mach-highbank/highbank.c
Simple merge

diff --cc arch/arm/mach-highbank/include/mach/debug-macro.S
Simple merge

diff --cc arch/arm/mach-highbank/include/mach/entry-macro.S
Simple merge

diff --cc arch/arm/mach-highbank/include/mach/gpio.h
Simple merge

diff --cc arch/arm/mach-highbank/include/mach/io.h
Simple merge

diff --cc arch/arm/mach-highbank/include/mach/irqs.h
Simple merge

diff --cc arch/arm/mach-highbank/include/mach/memory.h
Simple merge

diff --cc arch/arm/mach-highbank/include/mach/system.h
Simple merge

diff --cc arch/arm/mach-highbank/include/mach/timex.h
Simple merge

diff --cc arch/arm/mach-highbank/include/mach/uncompress.h
Simple merge

diff --cc arch/arm/mach-highbank/include/mach/vmalloc.h
Simple merge

diff --cc arch/arm/mach-highbank/lluart.c
Simple merge

diff --cc arch/arm/mach-highbank/sysregs.h
Simple merge

diff --cc arch/arm/mach-highbank/system.c
Simple merge

diff --cc arch/arm/mm/Kconfig
Simple merge