perf test bpf: Use ARRAY_CHECK() instead of ad-hoc equivalent, addressing array_size.cocci warning

Address following coccicheck warnings:

  ./tools/perf/tests/bpf.c:316:22-23: WARNING: Use ARRAY_SIZE.
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Ian Rogers <irogers@google.com>
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: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: kernel@vivo.com
Cc: netdev@vger.kernel.org
Link: http://lore.kernel.org/lkml/20211108070801.5540-1-guozhengkui@vivo.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/tests/bpf.c

@@ -297,7 +297,7 @@ static int check_env(void)
 	}
 
 	err = bpf_load_program(BPF_PROG_TYPE_KPROBE, insns,
-			       sizeof(insns) / sizeof(insns[0]),
+			       ARRAY_SIZE(insns),
 			       license, kver_int, NULL, 0);
 	if (err < 0) {
 		pr_err("Missing basic BPF support, skip this test: %s\n",