Merge branch 'mlx4-fixes'

Tariq Toukan says:

====================
mlx4 fixes for 4.20-rc

This patchset includes small fixes for the mlx4_en driver.

First patch by Eran fixes the value used to init the netdevice's
min_mtu field.
Please queue it to -stable >= v4.10.

Second patch by Saeed adds missing Kconfig build dependencies.

Series generated against net commit:
35b827b6 tun: forbid iface creation with rtnl ops
====================

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