sync: latest libbpf changes from kernel

Syncing latest libbpf commits from kernel repository.
Baseline bpf-next commit:   9bc499befeef07a4d79f4924bfca05634ad8fc97
Checkpoint bpf-next commit: cb8e59cc87201af93dfbb6c3dccc8fcad72a09c2
Baseline bpf commit:        bdc48fa11e46f867ea4d75fa59ee87a7f48be144
Checkpoint bpf commit:      47f6bc4ce1ff70d7ba0924c2f1c218c96cd585fb

Andrii Nakryiko (1):
  libbpf: Handle GCC noreturn-turned-volatile quirk

Arnaldo Carvalho de Melo (1):
  libbpf: Define __WORDSIZE if not available

Jesper Dangaard Brouer (1):
  bpf: Selftests and tools use struct bpf_devmap_val from uapi

 include/uapi/linux/bpf.h | 13 +++++++++++++
 src/btf_dump.c           | 33 ++++++++++++++++++++++++---------
 src/hashmap.h            |  7 +++----
 3 files changed, 40 insertions(+), 13 deletions(-)

--
2.24.1

BPF-CHECKPOINT-COMMIT

@@ -1 +1 @@
-bdc48fa11e46f867ea4d75fa59ee87a7f48be144
+47f6bc4ce1ff70d7ba0924c2f1c218c96cd585fb

CHECKPOINT-COMMIT

@@ -1 +1 @@
-9bc499befeef07a4d79f4924bfca05634ad8fc97
+cb8e59cc87201af93dfbb6c3dccc8fcad72a09c2