[PATCH V3 08/16] PM / OPP: Add clock-latency-ns support

With "operating-points-v2" bindings, clock-latency is defined per OPP. Users of this value expect a single value which defines the latency to switch to any clock rate. Find maximum clock-latency-ns from the OPP table to service requests from such users. Reviewed-by: Stephen Boyd Reviewed-by:

[PATCH V3 08/16] PM / OPP: Add clock-latency-ns support

With operating-points-v2 bindings, clock-latency is defined per OPP. Users of this value expect a single value which defines the latency to switch to any clock rate. Find maximum clock-latency-ns from the OPP table to service requests from such users. Reviewed-by: Stephen Boyd