pnv_cpu_init() is only called from the the pnv cpu core realize path, and
really only can be called from there. So fold it into its caller, which
we also rename for brevity.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
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