Merge with /home/stefan/git/u-boot/denx-440-exceptions

cpu/ppc4xx/config.mk

cpu/ppc4xx/start.S

cpu/ppc4xx/traps.c

include/asm-ppc/processor.h

include/configs/CPCI440.h

include/configs/KAREF.h

include/configs/METROBOX.h

include/configs/alpr.h

include/configs/bamboo.h

include/configs/ebony.h

include/configs/katmai.h

include/configs/ocotea.h

include/configs/p3p440.h

include/configs/pcs440ep.h

include/configs/sequoia.h

include/configs/taishan.h

include/configs/yosemite.h

include/ppc405.h

include/ppc440.h

include/ppc4xx.h