bitbake.conf: Mark VOLATILE_TMP_DIR as obsolete
This variable was removed in
https://git.yoctoproject.org/poky/commit/?id=
2f46b6f27dfa3a9d5ad177900fcecfe64c3536f1
("bitbake.conf: drop VOLATILE_TMP_DIR, use FILESYSTEM_PERMS_TABLES instead")
so ensure that distributions become aware that it no longer has any
effect.
(From OE-Core rev:
ec032dd13a19e4d4a332f06ace87f1f02143c3b2)
Signed-off-by: Niko Mauno <niko.mauno@vaisala.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Steve Sakoman <steve@sakoman.com>