Enable armhf again, because "gnome-session" is available in Alpine for
armhf now.
[ci:skip-build]: already built successfully in CI. ollieparanoid made
sure that all packages build for armhf.
[ci:skip-vercheck]
Signed-off-by: David Heidelberg <david@ixit.cz>
Phosh depends on gnome-session, which is currently not available in
Alpine for armhf. Fix the arch-lines to unblock building the binary
repository. [ci:skip-vercheck]
