powercap/drivers/dtpm: Reduce trace verbosity

The traces when registering a powerzone is at the pr_info level and
should be changed to pr_debug as requested by Greg-KH.

Cc: Greg KH <gregkh@linuxfoundation.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lkml.kernel.org/r/YGAnRx8SiZHFPpY6@kroah.comSigned-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20211123101601.2433340-2-daniel.lezcano@linaro.org

drivers/powercap/dtpm.c

@@ -382,7 +382,7 @@ void dtpm_unregister(struct dtpm *dtpm)
 {
 	powercap_unregister_zone(pct, &dtpm->zone);
 
-	pr_info("Unregistered dtpm node '%s'\n", dtpm->zone.name);
+	pr_debug("Unregistered dtpm node '%s'\n", dtpm->zone.name);
 }
 
 /**
@@ -453,7 +453,7 @@ int dtpm_register(const char *name, struct dtpm *dtpm, struct dtpm *parent)
 		dtpm->power_limit = dtpm->power_max;
 	}
 
-	pr_info("Registered dtpm node '%s' / %llu-%llu uW, \n",
+	pr_debug("Registered dtpm node '%s' / %llu-%llu uW, \n",
 		 dtpm->zone.name, dtpm->power_min, dtpm->power_max);
 
 	mutex_unlock(&dtpm_lock);