* nongnu/packges/benchmark.scm (geekbench5)[source]: Add support for aarch64 and
armhf sources.
[arguments]: Adjust arguments for aarch64 and armhf systems.
* nongnu/packages/benchmark.scm: New file.
* nongnu/packages/benchmark.scm (geekbench5): New variable.
Signed-off-by: Jonathan Brielmaier <jonathan.brielmaier@web.de>