* kernel: apparmor=0

Disable apparmor because the containerd+runc that ships with k3s v1.21.x
assumes that /sys/module/apparmor/parameters/enabled=Y means it should
look for apparmor userland which fails because we don't ship apparmor
userland.

Signed-off-by: Jacob Blain Christen <jacob@rancher.com>

* k3s: v1.21.0+k3s1

Signed-off-by: Jacob Blain Christen <jacob@rancher.com>