tests: enable to override sudo

Change-Id: I1c651834a0ecdaed1289f982b226b50dae47ba74
Signed-off-by: Philippe Coval <philippe.coval@open.eurogiciel.org>
Add "install-all target" to top side of HAVE_FIRMWARE.

Change-Id: I70343d3dfafd052fbd049aa73c1c6b142e45a110
Bug-Tizen: TC-1873/related