Drop dmtimer usage for pulse timer in favor of hrtimer. That allows
removing PWM dmitimer platform data usage.
Signed-off-by: NIvaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Acked-by: NPali Rohár <pali.rohar@gmail.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>