powerpc/fsl: add PVR definition for E500MC and E5500
powerpc/fsl: add PVR definition for E500MC and E5500

Signed-off-by: Wang Dongsheng <5960aaaba185a50e91c7ab03e3fa96b745a59480@freescale.com>
Signed-off-by: Scott Wood <b77916c2feab81a70245e7b5671f4f02730ebf64@freescale.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs