[][Fix mt7981 incorrect cophy CR setting for sgmii]

[Description]
Fix mt7981 incorrect cophy CR setting for sgmii

[Release-log]
N/A

Change-Id: Ie1e5e39537c2bfd574e97075fa58192941c7db12
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5266089
1 file changed