Update to include new options.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29426 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/llvm-config.pod b/docs/CommandGuide/llvm-config.pod
index 8751d1d..23d213f 100644
--- a/docs/CommandGuide/llvm-config.pod
+++ b/docs/CommandGuide/llvm-config.pod
@@ -38,6 +38,14 @@
 
 Print the installation prefix for LLVM.
 
+=item B<--src-root>
+
+Print the source root from which LLVM was built.
+
+=item B<--obj-root>
+
+Print the object root used to build LLVM.
+
 =item B<--bindir>
 
 Print the installation directory for LLVM binaries.
@@ -83,6 +91,10 @@
 
 Print the component names for all targets supported by this copy of LLVM.
 
+=item B<--build-mode>
+
+Print the build mode used when LLVM was built (e.g. Debug or Release)
+
 =back
 
 =head1 COMPONENTS