[PATCH] InstrProf: support PowerPC64

[Alexey Samsonov]

LGTM

================
Comment at: cmake/config-ix.cmake:183
@@ -182,3 +182,3 @@
 filter_available_targets(MSAN_SUPPORTED_ARCH x86_64)
-filter_available_targets(PROFILE_SUPPORTED_ARCH x86_64 i386 i686 arm mips mips64 mipsel mips64el aarch64)
+filter_available_targets(PROFILE_SUPPORTED_ARCH x86_64 i386 i686 arm mips mips64 mipsel mips64el aarch64 powerpc64 powerpc64le)
 filter_available_targets(TSAN_SUPPORTED_ARCH x86_64)
----------------
Please use 80-cols here.

http://reviews.llvm.org/D6233