[PATCH 1/9] powerpc/47x: Guard 47x cputable entries with CONFIG_PPC_47x

Currently we build the 47x cputable entries even when CONFIG_PPC_47x is disabled. That means a kernel built without CONFIG_PPC_47x will claim to support a 47x CPU and start booting, only to break somewhere later because it doesn't have 47x support compiled in. So guard the 47x cputable entries wit

[RFC PATCH 1/9] powerpc/47x: Guard 47x cputable entries with CONFIG_PPC_47x

Currently we build the 47x cputable entries even when CONFIG_PPC_47x is disabled. That means a kernel built without CONFIG_PPC_47x will claim to support a 47x CPU and start booting, only to break somewhere later because it doesn't have 47x support compiled in. So guard the 47x cputable entries wit