ethdev: fix mac vlan filter type

Use the enum type for filter type.
It fixes the compilation error under ICC compiler.

Signed-off-by: Jijiang Liu <jijiang.liu@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
i40e: fix mac vlan filter

This patch fixes two issues:
- one is to fix the log issues
- the other is to set filter type when updating the default MAC filter.

Signed-off-by: Jijiang Liu <jijiang.liu@intel.com>
Merge branch 'master' of git://dpdk.org/dpdk into muclab