sync: Pull latest bpftool changes from kernel

Syncing latest bpftool commits from kernel repository.
Baseline bpf-next commit:   b2531d4bdce19f28364b45aac9132e153b1f23a4
Checkpoint bpf-next commit: ac6a65868a5a45db49d5ee8524df3b701110d844
Baseline bpf commit:        f3f19f939c11925dadd3f4776f99f8c278a7017b
Checkpoint bpf commit:      f3f19f939c11925dadd3f4776f99f8c278a7017b

Larysa Zaremba (1):
  bpftool: Use sysfs vmlinux when dumping BTF by ID

 src/btf.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 53 insertions(+), 9 deletions(-)

--
2.34.1

CHECKPOINT-COMMIT

@@ -1 +1 @@
-b2531d4bdce19f28364b45aac9132e153b1f23a4
+ac6a65868a5a45db49d5ee8524df3b701110d844