gitlab.yml.in*: enable Qemu gitlab testing

Used to launch qemu tests for various qemu architectures.
Neverthless to say that this file skips any other job
different from qemu (only qemu configurations are
runtime tested).

Add the log generated by Qemu to the build artefacts.

Signed-off-by: Jugurtha BELKALEM <jugurtha.belkalem@smile.fr>
Signed-off-by: Romain Naour <romain.naour@smile.fr>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>