dpdk: change mlx5 pmd name in foreach_dpdk_pmd
dpdk: change mlx5 pmd name in foreach_dpdk_pmd

Type: fix

With DPDK 20.08, mlx5 devices get bound to the mlx5_pci PMD instead
of net_mlx5. Update the name in foreach_dpdk_pmd so the PMD will be
correctly recognized during initialization.

Change-Id: I1863ec55da9fcf6a289959dff22ca2dcc5d114bc
Signed-off-by: Matthew Smith <52a1745bd9fd6c0a26d8c7252aafb349bbdbd656@netgate.com>

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