thermal: core: constify 'type' in devm_thermal_of_cooling_device_register()

The 'type' string passed to thermal_of_cooling_device_register() is a
'const char *', so do the same in the devm interface.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240703083141.96013-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/thermal/thermal_core.c

@@ -1129,7 +1129,7 @@ static void thermal_cooling_device_release(struct device *dev, void *res)
 struct thermal_cooling_device *
 devm_thermal_of_cooling_device_register(struct device *dev,
 				struct device_node *np,
-				char *type, void *devdata,
+				const char *type, void *devdata,
 				const struct thermal_cooling_device_ops *ops)
 {
 	struct thermal_cooling_device **ptr, *tcd;

include/linux/thermal.h

@@ -261,7 +261,7 @@ thermal_of_cooling_device_register(struct device_node *np, const char *, void *,
 struct thermal_cooling_device *
 devm_thermal_of_cooling_device_register(struct device *dev,
 				struct device_node *np,
-				char *type, void *devdata,
+				const char *type, void *devdata,
 				const struct thermal_cooling_device_ops *ops);
 void thermal_cooling_device_update(struct thermal_cooling_device *);
 void thermal_cooling_device_unregister(struct thermal_cooling_device *);
@@ -305,7 +305,7 @@ thermal_of_cooling_device_register(struct device_node *np,
 static inline struct thermal_cooling_device *
 devm_thermal_of_cooling_device_register(struct device *dev,
 				struct device_node *np,
-				char *type, void *devdata,
+				const char *type, void *devdata,
 				const struct thermal_cooling_device_ops *ops)
 {
 	return ERR_PTR(-ENODEV);