dt-bindings: pwm: tiecap: Do not require pwm-cells twice

pwm-cells property is already required by pwm.yaml schema.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Krzysztof Kozlowski 2022-02-14 22:21:52 +01:00 • committed by Thierry Reding
commit 400002e056