perf bpf: Deprecate bpf_map__resize() in favor of bpf_map_set_max_entries()

perf bpf: Deprecate bpf_map__resize() in favor of bpf_map_set_max_entries()

As a part of libbpf 1.0 plan[0], this patch deprecates use of
bpf_map__resize in favour of bpf_map__set_max_entries.

Reference: https://github.com/libbpf/libbpf/issues/304
[0]: https://github.com/libbpf/libbpf/wiki/Libbpf:-the-road-to-v1.0#libbpfh-high-level-apis

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Muhammad Falak R Wani <falakreyaz@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Monnet <quentin@isovalent.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Yu Kuai <yukuai3@huawei.com>
Link: http //lore.kernel.org/lkml/20210815103610.27887-1-falakreyaz@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>