Merge with /home/wd/git/u-boot/custodian/u-boot-ppc4xx

Makefile

board/amcc/acadia/Makefile

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/cmd_katmai.c

board/amcc/katmai/katmai.c

board/amcc/sequoia/sequoia.c

common/cmd_i2c.c

common/serial.c

cpu/ppc4xx/44x_spd_ddr2.c

cpu/ppc4xx/Makefile

cpu/ppc4xx/cpu_init.c

cpu/ppc4xx/gpio.c

cpu/ppc4xx/start.S