Update my e-mail address in CODE_OWNERS.TXT

llvm-svn: 203824
diff --git a/llvm/CODE_OWNERS.TXT b/llvm/CODE_OWNERS.TXT
index 9c47db0..ff6c17f 100644
--- a/llvm/CODE_OWNERS.TXT
+++ b/llvm/CODE_OWNERS.TXT
@@ -92,7 +92,7 @@
 D: Everything not covered by someone else
 
 N: Tim Northover
-E: Tim.Northover@arm.com
+E: t.p.northover@gmail.com
 D: AArch64 backend
 
 N: Jakob Olesen