sync: Pull latest bpftool changes from kernel

Syncing latest bpftool commits from kernel repository.
Baseline bpf-next commit:   943b043aeecce9accb6d367af47791c633e95e4d
Checkpoint bpf-next commit: e63985ecd22681c7f5975f2e8637187a326b6791
Baseline bpf commit:        577e4432f3ac810049cb7e6b71f4d96ec7c6e894
Checkpoint bpf commit:      2487007aa3b9fafbd2cb14068f49791ce1d7ede5

Aahil Awatramani (1):
  bonding: Add independent control state machine

Alexei Starovoitov (1):
  bpf: Introduce may_goto instruction

Kees Cook (1):
  bpf: Replace bpf_lpm_trie_key 0-length array with flexible array

Kui-Feng Lee (2):
  bpftool: Generated shadow variables for struct_ops maps.
  bpftool: Add an example for struct_ops map and shadow type.

Martin Kelly (1):
  bpf: Clarify batch lookup/lookup_and_delete semantics

 docs/bpftool-gen.rst         |  58 ++++++++-
 include/uapi/linux/bpf.h     |  30 ++++-
 include/uapi/linux/if_link.h |   1 +
 src/gen.c                    | 237 ++++++++++++++++++++++++++++++++++-
 src/kernel/bpf/disasm.c      |   4 +
 5 files changed, 321 insertions(+), 9 deletions(-)

Signed-off-by: Quentin Monnet <[email protected]>

BPF-CHECKPOINT-COMMIT

@@ -1 +1 @@
-577e4432f3ac810049cb7e6b71f4d96ec7c6e894
+2487007aa3b9fafbd2cb14068f49791ce1d7ede5

CHECKPOINT-COMMIT

@@ -1 +1 @@
-943b043aeecce9accb6d367af47791c633e95e4d
+e63985ecd22681c7f5975f2e8637187a326b6791