f2fs: add "c_len" into trace_f2fs_update_extent_tree_range for compressed file

The trace_f2fs_update_extent_tree_range could not record compressed
block length in the cluster of compress file and we just add it.

Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>