aarch64 lacks HP_TIMING support in glibc

[Wilco Dijkstra]

Hi Rafael,

> Thank you for your message. Currently, we're using glibc 2.28. As soon as I am able to
> update to the latest glibc I will repeat the tests in our platform to evaluate the
> clock_getres() behavior.

I don't believe there has been any change in behaviour since 2.28 - clock_getres does not
use hp-timing in any way (and never did on AArch64). So is there something specific that
you have an issue with?

Cheers,
Wilco