spapr: Clean up spapr_drc_populate_dt()

This makes some minor cleanups to spapr_drc_populate_dt(), renaming it to
the shorter and more idiomatic spapr_dt_drc() along the way.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
4 files changed