net: ti: prueth_core: hsr/prp: add VLAN filtering

This patch add VLAN filtering support for LRE offload. VLAN table
has 512 entries with 8 VIDs supported per entry. It is a shared
table. So use a spinlock to protect access.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>