radv,anv: use CLOCK_MONOTONIC_FAST when CLOCK_MONOTONIC_RAW is undefined

CLOCK_MONOTONIC_FAST is a similar clock from FreeBSD.

Acked-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6995>
2 files changed