container-files/rd-infra-*: add debhelper and dependencies

Add debhelper as dependency to allow building debian packages. In
addition to debhelper, kmod and libssl-dev are build dependencies
of dpkg-buildpackage. Therefore, add them as well.

Signed-off-by: Vijayenthiran Subramaniam <vijayenthiran.subramaniam@arm.com>
Change-Id: Ia560ae80ccfbf3bddbdb56597aaf569686839600