greybus: firmware: prefix char-device with 'gb-'

This will make it consistent with any other character devices we have
for greybus and let us identify greybus character devices easily.

Compiled tested only.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
diff --git a/drivers/staging/greybus/fw-management.c b/drivers/staging/greybus/fw-management.c
index c9c28fc..ccd9d7c 100644
--- a/drivers/staging/greybus/fw-management.c
+++ b/drivers/staging/greybus/fw-management.c
@@ -599,7 +599,7 @@
 	/* Add a soft link to the previously added char-dev within the bundle */
 	fw_mgmt->class_device = device_create(fw_mgmt_class, fw_mgmt->parent,
 					      fw_mgmt->dev_num, NULL,
-					      "fw-mgmt-%d", minor);
+					      "gb-fw-mgmt-%d", minor);
 	if (IS_ERR(fw_mgmt->class_device)) {
 		ret = PTR_ERR(fw_mgmt->class_device);
 		goto err_del_cdev;