Pull in r143305 and r143312 from upstream clang trunk, so using "clang -march=native" on AMD K10 family processors no longer errors out with "unknown target CPU 'amdfam10'".  This also enables use of SSE4A.
Pull in r143305 and r143312 from upstream clang trunk, so using "clang
-march=native" on AMD K10 family processors no longer errors out with
"unknown target CPU 'amdfam10'".  This also enables use of SSE4A.

Reported by:	David Marec <david.marec@davenulle.org>
MFC after:	3 days

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase