[][kernel][common][eth][Add firmware download feature to Aquantia PHY driver]

[Description]
Add firmware download feature to Aquantia PHY driver.

If without this feature, kernel cannot do the firmware download
on Aquantia PHY devices.

[Release-log]
N/A


Change-Id: Ibc5454d31230cd5d46acc7595fafa92a6fb96155
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6775498
1 file changed