commit 1f80b4511863ca583c1e0b175ddbd4cc9060a788
author developer <developer@mediatek.com> Fri Dec 17 14:26:01 2021 +0800
committer developer <developer@mediatek.com> Fri Dec 17 20:49:43 2021 +0800
tree d4ce3f67d75466093024aecd727d6ef3c4d97345
parent b9b1ffc6b1e53d9e218444f1874e47077638cf05

[][Add upstream thermal driver for MT7981]

[Description]
Add upstream thermal driver for MT7981.
Currently the driver supports cross-platform thermal feature.
	- V1 : MT8173, MT8183, MT2701, MT2712
	- V2 : MT7622
	- V3 : MT7981, MT7986

If without this change, MT7981 ASIC is unable to read
ARM CPU temperature.

[How-to]
The way to show current temperature.
	- cat /sys/class/thermal/thermal_zone0/temp

[Release-log]
N/A

Change-Id: I0244bbb897fffc2f33b494ec4a8f69787a14a6e9
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5401091