[PATCH] aarch64: Fix PT_GNU_PROPERTY checks for static exe (BZ 33713)

[Wilco Dijkstra]

Hi Yury,

> All checks related to the PT_GNU_PROPERTY bits would be skipped
> if the binary had no PT_GNU_PROPERTY note at all. This meant that
> enforcing an abort when some bits are not present was not possible.
>
> Fixes BZ 33713

LGTM.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>

Cheers,
Wilco