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Summary

  1. Add 8548 CPU definition and attributes (details)
Commit bc4bc5aa0d84413e4e3f082dee0d30cf839fb7ea by chmeeedalf
Add 8548 CPU definition and attributes
8548 CPU is GCC's name for the e500v2, so accept this in clang.  The
e500v2 doesn't support lwsync, so define __NO_LWSYNC__ for this as well,
as GCC does.
Differential Revision:  https://reviews.llvm.org/D67787
The file was modifiedclang/lib/Basic/Targets/PPC.h
The file was modifiedclang/test/Driver/clang-translation.c
The file was modifiedclang/test/Preprocessor/init.c
The file was modifiedclang/lib/Driver/ToolChains/Arch/PPC.cpp
The file was modifiedclang/lib/Basic/Targets/PPC.cpp
The file was modifiedclang/test/Misc/target-invalid-cpu-note.c