libarchive: Enable acls, xattr for native as well as target

Libarchive is being used by OPKG package manager as default
API for extracting tar files. This fix allows us to extract
ipks packages with preserved ACLs and xattrs.

Partially addresses [YOCTO #15091]

[RP: Merge into main PACKAGECONFIG and tweak commit message]
Signed-off-by: Piotr Łobacz <p.lobacz@welotec.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>