Log Message:
Pullup ticket #6471 - requested by tnn
devel/cpu_features: build fix

Revisions pulled up:
- devel/cpu_features/buildlink3.mk                              1.2

---
   Module Name:	pkgsrc
   Committed By:	tnn
   Date:		Thu Jun 24 10:50:22 UTC 2021

   Modified Files:
   	pkgsrc/devel/cpu_features: buildlink3.mk

   Log Message:
   cpu_features: paper over CMake brain damage

   fixes math/volk build