sync: latest libbpf changes from kernel

Syncing latest libbpf commits from kernel repository.
Baseline bpf-next commit:   01f3ce5328c405179b2c69ea047c423dad2bfa6d
Checkpoint bpf-next commit: 239860828f8660e2be487e2fbdae2640cce3fd67
Baseline bpf commit:        c45323b7560ec87c37c729b703c86ee65f136d75
Checkpoint bpf commit:      319fc77f8f45a1b3dba15b0cc1a869778fd222f7

Andrii Nakryiko (2):
  libbpf: fix LDX/STX/ST CO-RE relocation size adjustment logic
  libbpf: Fix hypothetical STT_SECTION extern NULL deref case

Daniel Borkmann (1):
  netkit: Allow for configuring needed_{head,tail}room

Ihor Solodrai (3):
  libbpf: Introduce kflag for type_tags and decl_tags in BTF
  docs/bpf: Document the semantics of BTF tags with kind_flag
  libbpf: Check the kflag of type tags in btf_dump

Tao Chen (1):
  libbpf: Wrap libbpf API direct err with libbpf_err

Tony Ambardar (1):
  libbpf: Fix accessing BTF.ext core_relo header

Yonghong Song (1):
  bpf: Sync uapi bpf.h header for the tooling infra

 include/uapi/linux/bpf.h     |  5 +-
 include/uapi/linux/btf.h     |  3 +-
 include/uapi/linux/if_link.h |  2 +
 src/btf.c                    | 90 ++++++++++++++++++++++++++----------
 src/btf.h                    |  3 ++
 src/btf_dump.c               |  5 +-
 src/libbpf.c                 | 26 +++++------
 src/libbpf.map               |  2 +
 src/linker.c                 |  2 +-
 src/relo_core.c              | 24 ++++++++--
 10 files changed, 116 insertions(+), 46 deletions(-)

Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>

BPF-CHECKPOINT-COMMIT

@@ -1 +1 @@
-c45323b7560ec87c37c729b703c86ee65f136d75
+319fc77f8f45a1b3dba15b0cc1a869778fd222f7

CHECKPOINT-COMMIT

@@ -1 +1 @@
-01f3ce5328c405179b2c69ea047c423dad2bfa6d
+239860828f8660e2be487e2fbdae2640cce3fd67