Use the new generic helper of_cpu_node_to_id() instead
of using our own version to map a device node to logical CPU
number.
Acked-by: NMarc Zyngier <marc.zyngier@arm.com>
Signed-off-by: NSuzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: NWill Deacon <will.deacon@arm.com>