platform/x86: ISST: Add Clearwater Forest to support list

JIRA: https://issues.redhat.com/browse/RHEL-76843

commit cc1ff7b
Author: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Date:   Fri Jan 3 07:52:54 2025 -0800

    platform/x86: ISST: Add Clearwater Forest to support list

    Add Clearwater Forest (INTEL_ATOM_DARKMONT_X) to SST support list by
    adding to isst_cpu_ids.

    Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
    Link: https://lore.kernel.org/r/20250103155255.1488139-2-srinivas.pandruvada@linux.intel.com
    Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
    Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

Signed-off-by: Steve Best <sbest@redhat.com>

Author: sfbest

drivers/platform/x86/intel/speed_select_if/isst_if_common.c

@@ -804,6 +804,7 @@ EXPORT_SYMBOL_GPL(isst_if_cdev_unregister);
 static const struct x86_cpu_id isst_cpu_ids[] = {
 	X86_MATCH_VFM(INTEL_ATOM_CRESTMONT,	SST_HPM_SUPPORTED),
 	X86_MATCH_VFM(INTEL_ATOM_CRESTMONT_X,	SST_HPM_SUPPORTED),
+	X86_MATCH_VFM(INTEL_ATOM_DARKMONT_X,	SST_HPM_SUPPORTED),
 	X86_MATCH_VFM(INTEL_EMERALDRAPIDS_X,	0),
 	X86_MATCH_VFM(INTEL_GRANITERAPIDS_D,	SST_HPM_SUPPORTED),
 	X86_MATCH_VFM(INTEL_GRANITERAPIDS_X,	SST_HPM_SUPPORTED),