[][kernel][common][eth][Add set_pauseparam/get_pauseparam callback functions]

[Description]
Add set_pauseparam/get_pause_pause callback functions to mtk_ethtool_ops.

If without this patach, user is not able to show/set pause opions by ethtool.

[Release-log]
N/A

Change-Id: I035e5660bfd685810e0cd855692b89c842c2c7b7
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6367429
1 file changed