gcc-4.5.0: import some ppc & mips fixes from oe recipes

gcc-4.5.0: import some ppc & mips fixes from oe recipes

for ppc glibc build failes with -os (optimize for size) gcc option. so
 the fix disables this gcc options on ppc.

MIPS fix is added in the hope of helping webkit-gtk build failure (gcc
seg fault).

And fix the PR bumps for all affected recipes

Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>