Sort HW list within GENs
Now we get somewhat random ordering, e.g. for GEN9: fi-skl-6700hq, fi-skl-guc, fi-kbl-8809g, fi-cfl-guc, fi-bxt-dsi, fi-kbl-guc, fi-skl-6700k2. This makes glancing on the list hard.
We already have scores for the platform codenames in, so let's use them.