perf tests vmlinux-kallsyms: Use machine__find_kernel_function(_by_name)

We had this for ages, IIRC for 'perf probe' use initially, so use them
instead of the variants that pass the map_type, that is going away.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-x1jpogsvj822sh0q8leiaoep@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/tests/vmlinux-kallsyms.c

@@ -119,8 +119,7 @@ int test__vmlinux_matches_kallsyms(struct test *test __maybe_unused, int subtest
 		mem_start = vmlinux_map->unmap_ip(vmlinux_map, sym->start);
 		mem_end = vmlinux_map->unmap_ip(vmlinux_map, sym->end);
 
-		first_pair = machine__find_kernel_symbol(&kallsyms, type,
-							 mem_start, NULL);
+		first_pair = machine__find_kernel_function(&kallsyms, mem_start, NULL);
 		pair = first_pair;
 
 		if (pair && UM(pair->start) == mem_start) {
@@ -149,7 +148,7 @@ int test__vmlinux_matches_kallsyms(struct test *test __maybe_unused, int subtest
 				 */
 				continue;
 			} else {
-				pair = machine__find_kernel_symbol_by_name(&kallsyms, type, sym->name, NULL);
+				pair = machine__find_kernel_function_by_name(&kallsyms, sym->name, NULL);
 				if (pair) {
 					if (UM(pair->start) == mem_start)
 						goto next_pair;