linux-imx

selftests/bpf: add netdevsim to config

BPF offload tests (test_offload.py) will require netdevsim
to be built, add it to config.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>