libbpf: add BPF token support to bpf_map_create() API

Add ability to provide token_fd for BPF_MAP_CREATE command through
bpf_map_create() API.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20231130185229.2688956-14-andrii@kernel.org


Signed-off-by: Alexei Starovoitov <ast@kernel.org>