sync: latest libbpf changes from kernel

Syncing latest libbpf commits from kernel repository.
Baseline bpf-next commit:   36e70b9b06bf14a0fac87315f0e73d6e17e80aad
Checkpoint bpf-next commit: 8388092b2551f7ae34dad800ce828779f7c948c9
Baseline bpf commit:        72f898ca0ab85fde6facf78b14d9f67a4a7b32d1
Checkpoint bpf commit:      c08455dec5acf4668f5d1eb099f7fedb29f2de5f

Dave Marchevsky (1):
  libbpf: Deprecate bpf_program__get_prog_info_linear

Joanne Koong (1):
  bpf: Add alignment padding for "map_extra" + consolidate holes

Magnus Karlsson (1):
  libbpf: Deprecate AF_XDP support

 include/uapi/linux/bpf.h |  1 +
 src/libbpf.h             |  3 ++
 src/xsk.h                | 90 +++++++++++++++++++++++-----------------
 3 files changed, 56 insertions(+), 38 deletions(-)

--
2.30.2

BPF-CHECKPOINT-COMMIT

@@ -1 +1 @@
-72f898ca0ab85fde6facf78b14d9f67a4a7b32d1
+c08455dec5acf4668f5d1eb099f7fedb29f2de5f

CHECKPOINT-COMMIT

@@ -1 +1 @@
-36e70b9b06bf14a0fac87315f0e73d6e17e80aad
+8388092b2551f7ae34dad800ce828779f7c948c9