cpuidle: Add sanity check for exit latency and target residency

cpuidle: Add sanity check for exit latency and target residency

Make __cpuidle_driver_init() fail if the exit latency of one of the
driver's idle states is less than its target residency which would
break cpuidle assumptions.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Reviewed-by: Christian Loehle <christian.loehle@arm.com>
[ rjw: Changelog fix ]
Link: https://patch.msgid.link/12779486.O9o76ZdvQC@rafael.j.wysocki
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>