lintian: Add explicit source format

Change-Id: I707edf72bb5553d55e92928bdf442651966c1ed9
(cherry picked from commit ad067873ca2343c6307ed50f2070be5e57944699)
1 file changed
tree: 254aa8386ddb9ffe0f9f5fc73ad16b0b861e36a4
  1. debian/
  2. usr/