Merge branch 'aquantia-next'

Pavel Belous says:

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net: ethernet: aquantia: improvements and fixes

The following patchset contains improvements and fixes for aQuantia
AQtion ethernet driver from net-next tree.

Most fixes are based on the comments from Lino Sanfilippo.

Sanity testing was performed on real HW. No regression found.

v1->v2: 1)Removed buffers copying.
	2)Fixed dma error handling.

v2->v3: 1)Fixes for aq_ndev_change_mtu:
	-Use core MTU checking for min_mtu.
	-Removed extra new_mtu assigment.
	2)Reverse XMAS tree in aq_ring_rx_fill.
v3->v4: 1)Use ndev->reg_state instead "is_ndev_registered" flag.
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Signed-off-by: David S. Miller <davem@davemloft.net>