btrfs-tools: upgrade 6.9.2 -> 6.10.1

btrfs-tools: upgrade 6.9.2 -> 6.10.1

0001-Add-a-possibility-to-specify-where-python-modules-ar.patch
refreshed for 6.10.1

Changelog:
==========
* mkfs: rework --rootdir traversal, skip hardlinks and create new
  inodes instead, also warn about them, this did not work as expected and will be
  fixed in the future
* receive: search in older trees for UUIDs when detecting clone sources
* libbtrfsutil: bindings available at https://pypi.org/project/btrfsutil
* libbtrfs:
  * patchlevel version update 0.1.4
  * cleanup in headers, removed unused definitions, no functional changes
  * don't ship list.h and rbtree.h
* other:
  * documentation updates

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>