Commit PowerPC64 support from Carlo Bertolli at IBM.

llvm-svn: 215093
diff --git a/openmp/CREDITS.txt b/openmp/CREDITS.txt
index 7be8dbf..5a31e80 100644
--- a/openmp/CREDITS.txt
+++ b/openmp/CREDITS.txt
@@ -8,6 +8,9 @@
 (W), PGP key ID and fingerprint (P), description (D), and snail-mail address
 (S).
 
+N: Carlo Bertolli
+D: IBM contributor to PowerPC support in CMake files and elsewhere.
+
 N: Sunita Chandrasekaran
 D: Contributor to testsuite from OpenUH