Merge with /home/stefan/git/u-boot/acadia

board/amcc/acadia/acadia.c

board/amcc/acadia/config.mk

board/amcc/acadia/cpr.c

board/amcc/acadia/flash.c

board/amcc/acadia/memory.c

board/amcc/acadia/u-boot.lds

board/amcc/bamboo/bamboo.c

board/amcc/bamboo/bamboo.h

board/amcc/katmai/katmai.c

board/amcc/sequoia/sequoia.c

common/serial.c

cpu/ppc4xx/Makefile

cpu/ppc4xx/cpu_init.c

cpu/ppc4xx/gpio.c

cpu/ppc4xx/start.S

include/asm-ppc/gpio.h

include/configs/acadia.h

include/configs/sequoia.h

include/ppc440.h

include/serial.h