[][Add MT7531 phy setting to dsa driver]

[Description]
Add MT7531 phy setting to dsa driver including
1. Disable EEE in default.
2. Adjust line driving for better link quality.
3. Adjust 100M eye diagram for compliance test.
4. Enable link down power saving.
5. Enable auto down shift from 1G to 100M if 1G signal is unstable.
6. SW phy calibration is disabled, and use calibration data in efuse.

[Release-log]
Add MT7531 phy setting to dsa driver including
1. Disable EEE in default.
2. Adjust line driving for better link quality.
3. Adjust 100M eye diagram for compliance test.
4. Enable link down power saving.
5. Enable auto down shift from 1G to 100M if 1G signal is unstable.

Change-Id: Id67a66e853dec76428961b2bc25c495f16f246d5
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4720227
1 file changed