[baremetal] cmp: run linux.network before reboot

[baremetal] cmp: run linux.network before reboot

The recent addition of `linux.system`, combined with `system.reboot`
for the baremetal compute nodes leaves compute nodes unconfigured
after reboot.
Run `system.network` too, but expect a failure (only for DPDK, which
requires hugepages to be already active, hence a prior reboot).

Fixes: 64920b8

Change-Id: I8c73b24ae15e1f87dee64ae2aba7af86db1e942f
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
(cherry picked from commit 595119281c50edb86b987f5fdd6eac25e28147ae)