Hott driver: Feedback cleanup

src/drivers/hott/hott_sensors/hott_sensors.cpp

@@ -157,7 +157,7 @@ hott_sensors_thread_main(int argc, char *argv[])
 	/* enable UART, writes potentially an empty buffer, but multiplexing is disabled */
 	const int uart = open_uart(device);
 	if (uart < 0) {
-		errx(1, "Failed opening HoTT UART, exiting.");
+		errx(1, "Open fail, exiting.");
 		thread_running = false;
 	}