pwm: core: Convert to use fwnode for matching

When we traverse the list of the registered PWM controllers,
use fwnode to match. This will help for further cleanup.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
1 file changed