tools headers: Synchronize prctl.h ABI header

To pick up changes from:

  2d2123bc7c7f ("arm64/sve: Add prctl controls for userspace vector length management")
  7582e22038a2 ("arm64/sve: Backend logic for setting the vector length")

That showed a limitation of the regexp used in tools/perf/trace/beauty/prctl_option.sh,
that matches only PR_{SET,GET}_, but should match a few more, like
PR_MPX_*, PR_CAP_* and the one added by the above commit, PR_SVE_SET_*.

This silences this warning when building tools/perf:

  Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs from latest version at 'include/uapi/linux/prctl.h'

Support for those extra prctl options should be left for the next merge
window tho.

Cc: Adrian Hunter <[email protected]>
Cc: Dave Martin <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Wang Nan <[email protected]>
Cc: Will Deacon <[email protected]>
Link: https://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

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