[][kernel][common][eth][Add mdi swap feature to Aquantia PHY driver]

[Description]
Add mdi swap feature to Aquantia PHY driver.

If without this patch, kernel cannot do mdi swap on the Aquantia
PHY devices.

[Release-log]
N/A


Change-Id: I80a9beed8df699adaa6de5e4ab0655944f8be5af
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6807332
1 file changed