gpio-hammer: fix make consumer_label suitable to work on gpio-nails

There are no gpio-nalils, so fix label accordingly.

Signed-off-by: Uwe Kleine-König <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>

tools/gpio/gpio-hammer.c

···
 	memset(&data.values, 0, sizeof(data.values));
 	ret = gpiotools_request_linehandle(device_name, lines, nlines,
 					   GPIOHANDLE_REQUEST_OUTPUT, &data,
-					   "gpio-hammler");
+					   "gpio-hammer");
 	if (ret < 0)
 		goto exit_error;
 	else