[][CRITICAL][kernel][mt7988][eth][Fix issue of transmitting abnormal data for USXGMII]

[Description]
Fix issue of transmitting abnormal data for USXGMII.

Without this patch, the USXGMII may be transmitting abnormal data because
FIFOs are corrupted.

[Release-log]
N/A


Change-Id: Ic5f51c3f80082087c0e23ad64e770b4be9ef58f7
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8838029
1 file changed