Merge branch 'dpaa2-eth-Add-support-for-MQPRIO-offloading'

Ioana Radulescu says:

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dpaa2-eth: Add support for MQPRIO offloading

Add support for adding multiple TX traffic classes with mqprio. We can have
up to one netdev queue and hardware frame queue per TC per core.
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Signed-off-by: David S. Miller <davem@davemloft.net>