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

Makefile

board/amcc/sequoia/sequoia.c

board/amcc/sequoia/sequoia.h

board/lwmon5/lwmon5.c

board/lwmon5/sdram.c

cpu/ppc4xx/start.S

include/configs/lwmon5.h

include/configs/sequoia.h

include/ppc440.h

post/cpu/mpc8xx/Makefile

post/cpu/mpc8xx/cache.c

post/cpu/ppc4xx/Makefile

post/cpu/ppc4xx/cache.c

post/cpu/ppc4xx/cache_4xx.S

post/cpu/ppc4xx/ether.c

post/cpu/ppc4xx/fpu.c

post/cpu/ppc4xx/spr.c

post/cpu/ppc4xx/uart.c

post/cpu/ppc4xx/watchdog.c

post/drivers/Makefile