modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt
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..
@@ -6,7 +6,7 @@
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 - clocks: This clock defines the base clock frequency of the PWM hardware
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   system, the period and the duty_cycle of the PWM signal is a multiple of
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   the base period.
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-- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of
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+- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of
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   the cells format.
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 Examples: