Add service files to .gitignore

The service files are generated from the .service.in files so they don't
need to be tracked.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: Ic2ab1cde103b1282fbbd43627e847bc26fa30bf8
diff --git a/.gitignore b/.gitignore
index c48a372..274e450 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,4 +29,4 @@
 *.trs

 *_test

 libtool

-

+*.service