samples/bpf: Update sock test to allow setting mark and priority

Update sock test to set mark and priority on socket create.

Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

samples/bpf/test_cgrp2_sock.sh

@@ -20,7 +20,7 @@ function attach_bpf {
 	mkdir -p /tmp/cgroupv2
 	mount -t cgroup2 none /tmp/cgroupv2
 	mkdir -p /tmp/cgroupv2/foo
-	test_cgrp2_sock /tmp/cgroupv2/foo foo
+	test_cgrp2_sock -b foo /tmp/cgroupv2/foo
 	echo $$ >> /tmp/cgroupv2/foo/cgroup.procs
 }