[PATCH 2/7] dt-bindings: pwm: restrict node name suffixes

[Tony Lindgren]

* Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org> [230530 14:49]:
> Make the pattern matching node names a bit stricter to improve DTS
> consistency.  The pattern is restricted to:
> 1. Only one unit address or one -N suffix,
> 2. -N suffixes to decimal numbers.
> 
> Suggested-by: Rob Herring <robh at kernel.org>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>

Reviewed-by: Tony Lindgren <tony at atomide.com>