Add ppc64/power8 as a target

llvm-svn: 211778
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 1f89d39..76b9890 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -1156,6 +1156,7 @@
       .Case("power6", "pwr6")
       .Case("power6x", "pwr6x")
       .Case("power7", "pwr7")
+      .Case("power8", "pwr8")
       .Case("pwr3", "pwr3")
       .Case("pwr4", "pwr4")
       .Case("pwr5", "pwr5")
@@ -1163,6 +1164,7 @@
       .Case("pwr6", "pwr6")
       .Case("pwr6x", "pwr6x")
       .Case("pwr7", "pwr7")
+      .Case("pwr8", "pwr8")
       .Case("powerpc", "ppc")
       .Case("powerpc64", "ppc64")
       .Case("powerpc64le", "ppc64le")