Revert "ACPI: processor: Update cpuidle driver check in __acpi_processor_start()"

Revert commit 8a1b5d412cb4 ("ACPI: processor: Update cpuidle driver
check in __acpi_processor_start()") which depends on commit
7a8c994cbb2d ("ACPI: processor: idle: Optimize ACPI idle driver
registration") that got reverted.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
1 file changed