selftests/bpf: Specify libbpf headers required for %.bpf.o progs

Test %.bpf.o objects actually depend only on some libbpf headers.
Define a list of required headers and use it as TRUNNER_BPF_OBJS
dependency.

bpf_*.h list was determined by:

    $ grep -rh 'include <bpf/bpf_' progs | sort -u

Signed-off-by: Ihor Solodrai <ihor.solodrai@pm.me>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link:
Link: https://lore.kernel.org/bpf/20240828174608.377204-1-ihor.solodrai@pm.me

https://lore.kernel.org/bpf/CAEf4BzYQ-j2i_xjs94Nn=8+FVfkWt51mLZyiYKiz9oA4Z=pCeA@mail.gmail.com/