tools: Sync uapi bpf.h header with latest changes

mainline inclusion
from mainline-5.13-rc1
commit 242029f4
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5EUVD
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=242029f42691e05ac09b31b98221421bd564375e

-------------------------------------------------

Synchronize the header after all of the recent changes.
Signed-off-by: NJoe Stringer <joe@cilium.io>
Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
Reviewed-by: NQuentin Monnet <quentin@isovalent.com>
Acked-by: NToke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/bpf/20210302171947.2268128-16-joe@cilium.io
(cherry picked from commit 242029f4)
Signed-off-by: NWang Yufen <wangyufen@huawei.com>