btrfs: make __btrfs_qgroup_release_data take btrfs_inode

It uses vfs_inode only for a tracepoint so convert its interface to take
btrfs_inode directly.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>