Use Podman instead of Docker when $USE_PODMAN is set. This enables
running with Podman, e.g. to import images for CRI-O.
Fixes: #2067
Signed-off-by: Jakob Naucke <jakob.naucke@ibm.com>
Split qemu script to build qemu experimental using
same dockerfile.
Fixes: #1421
Depends-on: github.com/kata-containers/tests#3255
Signed-off-by: Carlos Venegas <jos.c.venegas.munoz@intel.com>