Use the package manager postinst framework to run the rootfs resize
script on first boot after the image has been flashed to the EMMC.
https://jira.digi.com/browse/DEL-1317
Signed-off-by: Javier Viguera <javier.viguera@digi.com>
QA Issue: Variable ALLOW_EMPTY is set as not being package specific
QA Issue: Variable RPROVIDES is set as not being package specific
Signed-off-by: Javier Viguera <javier.viguera@digi.com>