We use 'iommu=igfx_off' for booting the Heads kernel, so use the same for
booting the OS to ensure consistency when kexecing
Signed-off-by: Matt DeVillier <matt.devillier@puri.sm>
- update module hash and blobs hash
- drop patches no longer needed; migrate those that remain
- adjust Librem Mini/Mini v2 board configs
Signed-off-by: Matt DeVillier <matt.devillier@puri.sm>