staging: unisys: visorbus: Use __func__ instead of name.

The dev_err was using the hardcoded function name, as reported by
checkpatch, it should be using __func__.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visorbus/visorchipset.c

@@ -744,7 +744,7 @@ static int visorbus_configure(struct controlvm_message *inmsg,
 
 err_respond:
 	dev_err(&chipset_dev->acpi_device->dev,
-		"visorbus_configure exited with err: %d\n", err);
+		"%s exited with err: %d\n", __func__, err);
 	if (inmsg->hdr.flags.response_expected == 1)
 		controlvm_responder(inmsg->hdr.id, &inmsg->hdr, err);
 	return err;