sync: Pull latest bpftool changes from kernel

Syncing latest bpftool commits from kernel repository.
Baseline bpf-next commit:   856fe03d929205b4c8c8fa51296342cd85592e3f
Checkpoint bpf-next commit: a3e7e6b17946f48badce98d7ac360678a0ea7393
Baseline bpf commit:        496720b7cfb6574a8f6f4d434f23e3d1e6cfaeb9
Checkpoint bpf commit:      496720b7cfb6574a8f6f4d434f23e3d1e6cfaeb9

Alexander Lobakin (3):
  bpftool: use a local copy of perf_event to fix accessing :: Bpf_cookie
  bpftool: Define a local bpf_perf_link to fix accessing its fields
  bpftool: Use a local bpf_perf_event_value to fix accessing its fields

Quentin Monnet (1):
  bpftool: Use a local copy of BPF_LINK_TYPE_PERF_EVENT in
    pid_iter.bpf.c

 src/skeleton/pid_iter.bpf.c | 26 +++++++++++++++++++++-----
 src/skeleton/profiler.bpf.c | 27 +++++++++++++++++----------
 2 files changed, 38 insertions(+), 15 deletions(-)

Signed-off-by: Quentin Monnet <quentin@isovalent.com>

CHECKPOINT-COMMIT

@@ -1 +1 @@
-856fe03d929205b4c8c8fa51296342cd85592e3f
+a3e7e6b17946f48badce98d7ac360678a0ea7393