greybus: sysfs: put a \n at the end of all sysfs files

Right now some sysfs attributes have \n and some do not, so fix that and
put \n at the end of all of them to make it easier to parse things
properly in userspace.
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/staging/greybus/bundle.c

@@ -18,7 +18,7 @@ static ssize_t device_id_show(struct device *dev, struct device_attribute *attr,
 {
 	struct gb_bundle *bundle = to_gb_bundle(dev);
 
-	return sprintf(buf, "%d", bundle->device_id);
+	return sprintf(buf, "%d\n", bundle->device_id);
 }
 static DEVICE_ATTR_RO(device_id);
 

drivers/staging/greybus/connection.c

@@ -91,7 +91,7 @@ static ssize_t state_show(struct device *dev, struct device_attribute *attr,
 {
 	struct gb_connection *connection = to_gb_connection(dev);
 
-	return sprintf(buf, "%d", connection->state);
+	return sprintf(buf, "%d\n", connection->state);
 }
 static DEVICE_ATTR_RO(state);
 
@@ -100,7 +100,7 @@ protocol_id_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct gb_connection *connection = to_gb_connection(dev);
 
-	return sprintf(buf, "%d", connection->protocol->id);
+	return sprintf(buf, "%d\n", connection->protocol->id);
 }
 static DEVICE_ATTR_RO(protocol_id);