perf bpf-loader: Remove unecessary includes from bpf-loader.h

To cut the header dep tree, to get unecessary object rebuilds to be
reduced when a change happens in headers.

Cc: Adrian Hunter <adrian.hunter@intel.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-ph72xhl9moqa0g1hxcyudwfn@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/bpf-loader.c

@@ -15,6 +15,7 @@
 #include <errno.h>
 #include "perf.h"
 #include "debug.h"
+#include "evlist.h"
 #include "bpf-loader.h"
 #include "bpf-prologue.h"
 #include "probe-event.h"

tools/perf/util/bpf-loader.h

@@ -8,11 +8,7 @@
 
 #include <linux/compiler.h>
 #include <linux/err.h>
-#include <string.h>
 #include <bpf/libbpf.h>
-#include "probe-event.h"
-#include "evlist.h"
-#include "debug.h"
 
 enum bpf_loader_errno {
 	__BPF_LOADER_ERRNO__START = __LIBBPF_ERRNO__START - 100,
@@ -44,6 +40,7 @@ enum bpf_loader_errno {
 };
 
 struct perf_evsel;
+struct perf_evlist;
 struct bpf_object;
 struct parse_events_term;
 #define PERF_BPF_PROBE_GROUP "perf_bpf_probe"
@@ -87,6 +84,8 @@ struct perf_evsel *bpf__setup_output_event(struct perf_evlist *evlist, const cha
 int bpf__strerror_setup_output_event(struct perf_evlist *evlist, int err, char *buf, size_t size);
 #else
 #include <errno.h>
+#include <string.h>
+#include "debug.h"
 
 static inline struct bpf_object *
 bpf__prepare_load(const char *filename __maybe_unused,