[PATCH] powerpc: Merge asm-ppc*/posix_types.h

Merge asm-ppc/posix_types.h and asm-ppc64/posix_types.h.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>