[][Change mt7981 PWM patch format]

[Description]
Change PWM patch format

[Release-log]
N/A

Change-Id: I0cd893cab3b050a4e53f5a30d50543a554b93eaf
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5384647
1 file changed