DMTimers 13 - 16 are PWM capable and also can be used for CPTS input
signals generation. Hence, mark them as "ti,timer-pwm".
Signed-off-by: NGrygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: NLokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>