Ensure source packages get uploaded to Apt

- In the even that a source package name doesn't match the name of any
of its binary packages (ex: linux-imx generates
linux-{image,headers,kbuild}-4.9.51-imx), the source packages weren't
being included in the update tarball.

Change-Id: I361fb338f705d040aa7cf32fc8c933e0cf1548b2
1 file changed