dt-bindings: pwm: Add MediaTek display PWM bindings

Add MT2701 compatible string.

Signed-off-by: Weiqing Kong <weiqing.kong@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
1 file changed