document git branch in debian/control
diff --git a/debian/control b/debian/control
index a1e4f37..bea76e0 100644
--- a/debian/control
+++ b/debian/control
@@ -4,6 +4,7 @@
 Maintainer: Ubuntu developers <ubuntu-devel-discuss@lists.ubuntu.com>
 XSBC-Original-Maintainer: Amit Kucheria <amit.kucheria@linaro.org>
 Build-Depends: debhelper (>= 7), libncurses5-dev
+Vcs-Git: git://git.linaro.org/tools/powerdebug.git release
 Standards-Version: 3.9.1
 
 Package: powerdebug