modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/Documentation/devicetree/bindings/pwm/img-pwm.txt
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@@ -8,7 +8,7 @@
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   - clock-names: Must include the following entries.
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     - pwm: PWM operating clock.
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     - sys: PWM system interface clock.
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-  - #pwm-cells: Should be 2. See pwm.txt in this directory for the
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+  - #pwm-cells: Should be 2. See pwm.yaml in this directory for the
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 	description of the cells format.
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   - img,cr-periph: Must contain a phandle to the peripheral control
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 	syscon node which contains PWM control registers.