samples/bpf: Update cpumap/devmap sec_name

Substitute deprecated xdp_cpumap and xdp_devmap sec_name with
xdp/cpumap and xdp/devmap respectively.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/509201497c6c4926bc941f1cba24173cf500e760.1643727185.git.lorenzo@kernel.org
3 files changed