Bluetooth: Fix L2CAP LE debugfs entries permissions

0466 was probably meant to be 0644, there's no reason why everyone
except root could write there.
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org

net/bluetooth/l2cap_core.c

@@ -7519,9 +7519,9 @@ int __init l2cap_init(void)
 	l2cap_debugfs = debugfs_create_file("l2cap", 0444, bt_debugfs,
 					    NULL, &l2cap_debugfs_fops);
 
-	debugfs_create_u16("l2cap_le_max_credits", 0466, bt_debugfs,
+	debugfs_create_u16("l2cap_le_max_credits", 0644, bt_debugfs,
 			   &le_max_credits);
-	debugfs_create_u16("l2cap_le_default_mps", 0466, bt_debugfs,
+	debugfs_create_u16("l2cap_le_default_mps", 0644, bt_debugfs,
 			   &le_default_mps);
 
 	bt_6lowpan_init();