owfs: move to meta-filesystems and upgrade

- Move owfs from meta-oe to meta-filesystems
- Upgrade owfs to 2.9p1

[YOCTO #4178]

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>