dpdk: fix eal in nohugtlb mode
dpdk: fix eal in nohugtlb mode

When running with `dpdk { no-hugetlb }` dont try
to allocate hugepages and remove --in-memory as
this seems to be rejected by DPDK

Type: fix

Change-Id: I02c56ade0b4e706b3f76331745e2af64bb62f6e0
Signed-off-by: Nathan Skrzypczak <0fa918c439baf617eab84c5ae2a48ee9db643966@gmail.com>

chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp