[][kernel][mt7988][eth][Update USXGMII PHYA setting for the SFP+]

[Description]
Change USXGMII PHYA setting for the SFP+.

If without this patch, the USXGMII may not achieve optimal performance.

[Release-log]
N/A


Change-Id: I15d3d92bcf2f9b6cccfd9f56b017233a52fee961
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7514397
1 file changed