bdk: fan: rename functions and add set from temp

- Rename functions to proper style (drivername_)
- Add fan_set_from_temp for managing the fan with passed SoC temperature.

bdk/thermal/fan.h

@@ -1,7 +1,7 @@
 /*
  * Fan driver for Nintendo Switch
  *
- * Copyright (c) 2018 CTCaer
+ * Copyright (c) 2018-2024 CTCaer
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -22,8 +22,10 @@
 #include <utils/types.h>
 
 // Disable: 0 (0 RPM), min duty: 1 (960 RPM), max duty 235 (11000 RPM).
-void set_fan_duty(u32 duty);
-// Passing NULL ptr on either of the two, disables parsing of it.
-void get_fan_speed(u32 *duty, u32 *rpm);
+void fan_set_duty(u32 duty);
+// Passing NULL ptr on either of the two, disables results.
+void fan_get_speed(u32 *duty, u32 *rpm);
+
+void fan_set_from_temp(u32 temp);
 
 #endif /* __FAN_H_ */