[][Add MT7986 ice debug driver]

[Description]
Add ice debug driver
1.add debug clk in dts.
2.open ice debug driver.

[Release-log]
N/A

Change-Id: I3bdeca41f59157570a68376aeb16c7ae5c8d4185
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4695168
4 files changed