Add --privileged option to ctr run

Signed-off-by: Justin Cormack <justin.cormack@docker.com>

cmd/ctr/commands/run/run.go

@@ -68,6 +68,10 @@ var ContainerFlags = []cli.Flag{
 		Name:  "net-host",
 		Usage: "enable host networking for the container",
 	},
+	cli.BoolFlag{
+		Name:  "privileged",
+		Usage: "run privileged container",
+	},
 	cli.BoolFlag{
 		Name:  "read-only",
 		Usage: "set the containers filesystem as readonly",