From: Jose Abreu <Jose.Abreu@synopsys.com>
Date: Tue, 31 Jul 2018 15:08:20 +0100

WoL won't work in PCI-based setups because we are not saving the PCI EP
state before entering suspend state and not allowing D3 wake.

Fix this by using a wrapper around stmmac_{suspend/resume} which
correctly sets the PCI EP state.

Signed-off-by: Jose Abreu <redacted>

Applied and queued up for -stable, thanks.