Update comment for logging callback
Changed lv_log_register_print to lv_log_register_print_cb
@@ -225,7 +225,7 @@ typedef void * lv_indev_drv_user_data_t; /*Type of user data in the i
# define LV_LOG_LEVEL LV_LOG_LEVEL_WARN
/* 1: Print the log with 'printf';
- * 0: user need to register a callback with `lv_log_register_print`*/
+ * 0: user need to register a callback with `lv_log_register_print_cb`*/
# define LV_LOG_PRINTF 0
#endif /*LV_USE_LOG*/
