Previously, it identified all Zen CPUs as Ryzen 7. Since the model
and stepping information consist of microarchitecture information
and don't carry the model number, use the parse_amd based name,
which will remove any unnecessary details from the returned name.
Fixes#15153.
Change-Id: I1a20bf35a60b2fdd20d4cc90ec2dd95fd0e6439d
Reviewed-on: https://review.haiku-os.org/c/1634
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
f093894af1