manibuilder/anita: Move ARGS right before their usage

This makes it easier for docker to re-use image artifacts, e.g. the
Debian installation part can be shared among all anita images now.

Change-Id: I9d04c477b89b8e09b11e73c60e7a6cc03437d0ea
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/70917
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
1 file changed