Integrate meta-seco-bsp/ap/qemu-rootfs-param
Commit: clea-os/layers/seco/meta-seco-bsp@0a7007e8
[BOOTSCRIPT][QEMU] remove root_env_bootarg variable
Remove env variable root_env_bootarg which prevents the GRUB bootscript from automatically finding the rootfs partition using type uuid.
Signed-off-by: Alessandro Pecugi alessandro.pecugi@seco.com