Merge branch 'dpaa2-eth-add-bql-support'

Ioana Ciocoi Radulescu says:

====================
dpaa2-eth: add bql support

The first two patches make minor tweaks to the driver to
simplify bql implementation. The third patch adds the actual
bql support.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>