Take ownership of libLTO as discussed on llvm-dev.

llvm-svn: 281628
GitOrigin-RevId: b385f2a16fb071a6355c8a01d3aaf2aca704fd7d
diff --git a/CODE_OWNERS.TXT b/CODE_OWNERS.TXT
index 2c330a0..8b3d956 100644
--- a/CODE_OWNERS.TXT
+++ b/CODE_OWNERS.TXT
@@ -44,7 +44,7 @@
 
 N: Peter Collingbourne
 E: peter@pcc.me.uk
-D: llgo
+D: llgo, libLTO (lib/LTO/* tools/lto/*)
 
 N: Quentin Colombet
 E: qcolombet@apple.com
@@ -194,7 +194,7 @@
 
 N: Bill Wendling
 E: isanbard@gmail.com
-D: libLTO, IR Linker
+D: IR Linker
 
 N: Hans Wennborg
 E: hans@chromium.org