Restart OVS after Mellanox drivers are loaded when recompiling
mlnx-ofed-kernel module on Ubuntu

After recompilation the drivers are reloaded, there is a dependency
between OVS and openibd - OVS must be reloaded whenever openibd
is reloaded.

Change-Id: Ia96f4e8c4c9ae88b501202c343dc589848ef7cfd
Closes-bug: 1397891
Signed-off-by: gilmeir <gilmeir@mellanox.com>
Merge "Restart OVS after Mellanox drivers are loaded when recompiling mlnx-ofed-kernel module on Ubuntu" into stable/5.1