Merge branch 'hns3-Unicast-MAC-VLAN-table'

Salil Mehta says:

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Fixes, minor changes & cleanups for the Unicast MAC VLAN table

This patch-set presents necessary modifications, fixes & cleanups related
to Unicast MAC Vlan Table to support revision 0x21 hardware.
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Signed-off-by: David S. Miller <davem@davemloft.net>