[PATCH v3] selftests net: fix bpf build error

[Paolo Abeni]

On Mon, 2022-06-06 at 14:45 +0800, Lina Wang wrote:
> bpf_helpers.h has been moved to tools/lib/bpf since 5.10, so add more
> including path.
> 
> Fixes: edae34a3ed92 ("selftests net: add UDP GRO fraglist + bpf self-tests")
> Reported-by: kernel test robot <oliver.sang at intel.com>
> Signed-off-by: Lina Wang <lina.wang at mediatek.com>
> Acked-by: Song Liu <songliubraving at fb.com>

LGTM, thanks!

Acked-by: Paolo Abeni <pabeni at redhat.com>