Merge with Paulus

arch/powerpc/Kconfig

arch/powerpc/kernel/Makefile

arch/powerpc/kernel/ppc32.h

arch/powerpc/kernel/rtas-proc.c

arch/powerpc/kernel/rtas.c

arch/powerpc/kernel/rtas_flash.c

arch/powerpc/kernel/rtas_fw.c

arch/powerpc/kernel/signal_32.c

arch/powerpc/kernel/signal_64.c

arch/powerpc/platforms/powermac/setup.c

arch/powerpc/platforms/pseries/Kconfig

arch/powerpc/platforms/pseries/Makefile

arch/powerpc/platforms/pseries/iommu.c

arch/powerpc/platforms/pseries/rtasd.c

arch/powerpc/platforms/pseries/setup.c

arch/ppc/8xx_io/commproc.c

arch/ppc/kernel/ppc_ksyms.c

arch/ppc/kernel/traps.c

arch/ppc/syslib/m8xx_setup.c

arch/ppc64/kernel/Makefile