It was using the default one which provides grub artifacts for the
current arch, not specific arm64 ones for the arm images
Signed-off-by: Itxaka <itxaka.garcia@spectrocloud.com>
By playing with the buildarch and having separated luet repo files we
can install the proper artifacts for each arch AND also teh arm64
artifacts for arm images under x86
Signed-off-by: Itxaka <itxaka.garcia@spectrocloud.com>
Install all packages via luet, converges the rpi packages into one,
makes arm use the same generic packages as x86 as they now come from the
proper architecture and reduces dockerfile complexity
Signed-off-by: Itxaka <itxaka.garcia@spectrocloud.com>
