strat: update for code changes found in boot (closes #1797)

libraries/libstratosphere/include/stratosphere/pwm/driver/pwm_i_pwm_driver.hpp

@@ -38,6 +38,7 @@ namespace ams::pwm::driver {
             virtual Result SetPeriod(IPwmDevice *device, TimeSpan period) = 0;
             virtual Result GetPeriod(TimeSpan *out, IPwmDevice *device)   = 0;
 
+            /* TODO: Nintendo removed these in 14.0.0. Should we? */
             virtual Result SetDuty(IPwmDevice *device, int duty) = 0;
             virtual Result GetDuty(int *out, IPwmDevice *device) = 0;