cpufreq: intel_pstate: Support Clearwater Forest OOB mode

Prevent intel_pstate from loading when OOB (Out Of Band) P-states mode is
enabled.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://patch.msgid.link/20250808145122.4057208-1-srinivas.pandruvada@linux.intel.com


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