Merge pull request #8502 from fiveangle/bf_sync_tempurature_h

[2.0.x] Fix Temperature::setPwmFrequency() prototype to match source

Marlin/src/module/temperature.h

   private:
 
     #if ENABLED(FAST_PWM_FAN)
-      static void setPwmFrequency(const uint8_t pin, int val);
+      static void setPwmFrequency(const pin_t pin, int val);
     #endif
 
     static void set_current_temp_raw();