Merge branch 'systemport-next'

Florian Fainelli says:

====================
net: systemport: DMA and MAC fixes

This patch series contains a critical fix in how the DMA unmapping of packet
is done, as well as a less critical fix in how we disable the Ethernet MAC
RX/TX functions.
====================

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