UPSTREAM: exfat: add ioctls for accessing attributes

Add GET and SET attributes ioctls to enable attribute modification.
We already do this in FAT and a few userspace utils made for it would
benefit from this also working on exFAT, namely fatattr.

Signed-off-by: Jan Cincera <hcincera@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
(cherry picked from commit 0ab8ba71)

Bug: 362138008

Change-Id: Ia282ad70a8c3c4e808b6f3276ce9d64fb904f422
Signed-off-by: dongliang.cui <dongliang.cui@unisoc.com>