classes/image-balena: Fix root login in Honister
classes/image-balena: Fix root login in Honister

A space character was removed in Honister
from the ROOTFS_POSTPROCESS_COMMAND, let's
take this into account.

Signed-off-by: Alexandru Costache <2d2dfcfad7b9832058fd41884a8955d042a85275@balena.io>
resin-os/meta-resin,resin-os/meta-resin,resin-os/meta-resin,resin-os/meta-resin