Merged POST framework with the current TOT.

Makefile

cpu/ppc4xx/start.S

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

post/lib_ppc/Makefile

post/lib_ppc/fpu/20001122-1.c

post/lib_ppc/fpu/20010114-2.c

post/lib_ppc/fpu/20010226-1.c

post/lib_ppc/fpu/980619-1.c