pwm: jz4740: Add support for the JZ4725B

The PWM hardware in the JZ4725B works the same as in the JZ4740, but has
only six channels available.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
1 file changed