* Update docs/submodules/releng/builder from branch 'master'
to e62a4f782a7f2e9a68264661acfb9d42286924bc
- Merge "Add xz option to use more threads"
- Add xz option to use more threads
Change-Id: Ie6abd5ee4116a9a299ef741bf881fd85eb116b05 Signed-off-by: Sam Hague <shague@redhat.com>