Add files/*.deb and files/*.deb.* to gitignore

Change-Id: Ieb8bc6a0852eabce987fef9441cca8770b711a38
diff --git a/.gitignore b/.gitignore
index a470ff5..d1781bc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,8 @@
 files/*.vmdk
 files/*.rpm
 files/*.rpm.*
+files/*.deb
+files/*.deb.*
 files/*.qcow2
 files/*.img
 files/images