Make use of the new multi-stage initramfs rather than the minimal
variant, and inform mkinitfs that the initramfs-extra archive should be
created to save space.
Signed-off-by: Caleb Connolly <caleb@postmarketos.org>
[ci:ignore-count]
With the pmbootstrap change let's change the deviceinfo variable names
to the non-deprecated version.
[ci:ignore-count]
[ci:skip-build]: already built successfully in CI
Caleb Connolly