bugfix: mount hugepages for PVP and PVVP scenarios

bugfix: mount hugepages for PVP and PVVP scenarios

Hugepages are used by both DPDK and Qemu. However they were mounted
only in case, that OVS with DPDK support was detected. Thus code
has been modified to mount hugepages in case that either DPDK usage
or QEMU usage is detected.

Change-Id: I662a6f0918b7b8d4fc38c2ce3d0d82bba0b8b2b0
JIRA: VSPERF-170
Signed-off-by: Martin Klozik <martinx.klozik@intel.com>
Reviewed-by: Maryam Tahhan <maryam.tahhan@intel.com>
Reviewed-by: Brian Castelli <brian.castelli@spirent.com>