Merge branch 'stmmac-DWMAC5'

Jose Abreu says:

====================
Fix TX Timeout and implement Safety Features

Fix the TX Timeout handler to correctly reconfigure the whole system and
start implementing features for DWMAC5 cores, specifically the Safety
Features.

Changes since v1:
	- Display error stats in ethtool
====================

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