Please apply commit 629823b872402 ("igb: use igb_adapter->io_addr instead of e1000_hw->hw_addr") to v4.4.y/v4.9.y

[Guenter Roeck <linux@xxxxxxxxxxxx>]

Hi,

please apply upstream commit 629823b87240 ("igb: use igb_adapter->io_addr
instead of e1000_hw->hw_addr") to v4.4.y and to v4.9.y. The problem solved
with this commit has been observed in chromeos-4.4.

Thanks,
Guenter