linux-phytec-ti

net: ethernet: prueth: add support for VLAN filtering

This adds support for firmware VLAN filtering. A VLAN filter table of
4096 entries is maintained by firmware, and entries are added/removed
(1=valid, 0=invalid) as VLANs are configured through typical VLAN
controls. VLAN filtering is per port.

Signed-off-by: Aaron Kramer <a-kramer@ti.com>