Limit max GPU freq to stock on boot

drivers/gpu/msm/kgsl_pwrctrl.c

@@ -2301,7 +2301,7 @@ int kgsl_pwrctrl_init(struct kgsl_device *device)
 
 	/* Initialize the user and thermal clock constraints */
 
-	pwr->max_pwrlevel = 0;
+	pwr->max_pwrlevel = 3;
 	pwr->min_pwrlevel = pwr->num_pwrlevels - 2;
 	pwr->thermal_pwrlevel = 0;
 	pwr->thermal_pwrlevel_floor = pwr->min_pwrlevel;