[][kernel][common][eth][Fix Aquantia PHY setting loss issue for firwmare download]

[Description]
Fix Aquantia PHY setting loss issue for firmware download.

The firmware download task will re-configure PHY setting when
firmware download completed.
If without this delay loop, the re-configured setting might be
overwritten by firmware.

[Release-log]
N/A


Change-Id: Ifa33d19acdeaa21b8a2f8daab77332af00379b49
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6924559
1 file changed