[][upload mt7986 clk drivers]

[Description]
Add mt7986 clk drivers

[Release-log]
upload mt7986 clk drivers

Change-Id: Ib8a69876fed9b78dd155debd807a4e42e7ff4eed
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4573256
7 files changed