After much discussion about this, I think we should add these specific CPU constraint values to replace the imprecise "armv8-r".
the names are of specific CPUs shipping from ARM
armv8-r is really the name of an architecture specification. It can be
implemented in 32 bit (r52) or 64 bit (r82). So selected on it is not really useful
After much discussion about this, I think we should add these specific CPU constraint values to replace the imprecise "armv8-r".