8016586: PPC64 (part 3): basic changes for PPC64 Summary: added #includes needed for ppc64 port. Renamed _MODEL_ppc to _MODEL_ppc_32 and renamed corresponding old _ppc files to _ppc_32. Reviewed-by: dholmes, kvn

os_family = linux

arch = ppc

arch_model = ppc_32

os_arch = linux_ppc

os_arch_model = linux_ppc_32

lib_arch = ppc

compiler = gcc

gnu_dis_arch = ppc

sysdefs = -DLINUX -D_GNU_SOURCE -DPPC32