Apply name change to tools/* files.

These changes are all in comments.  Change libiomp references to
libomp.

llvm-svn: 238713
diff --git a/openmp/runtime/tools/check-instruction-set.pl b/openmp/runtime/tools/check-instruction-set.pl
index a63d916..b77e207 100755
--- a/openmp/runtime/tools/check-instruction-set.pl
+++ b/openmp/runtime/tools/check-instruction-set.pl
@@ -132,9 +132,9 @@
             # Empty line.
             # Ignore.
         } elsif ( $line =~ m{^In archive (.*?):\s*$} ) {
-            # In archive libiomp5.a:
+            # In archive libomp.a:
         } elsif ( $line =~ m{^(?:.*?):\s*file format (.*?)\s*$} ) {
-            # libiomp5.so:     file format elf64-x86-64-freebsd
+            # libomp.so:     file format elf64-x86-64-freebsd
             # kmp_ftn_cdecl.o:     file format elf64-x86-64
             my $fmt = $1;
             if ( bad_fmt( $fmt ) ) {