soc/intel/common: Add common code for acpi c/p/t-state entries

Change-Id: I87505bb31cd1b46d27cc5c9ba8d086df7393653e
Signed-off-by: Hannah Williams <hannah.williams@intel.com>
Reviewed-on: https://review.coreboot.org/15050
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/intel/common/Kconfig

@@ -80,4 +80,8 @@ config SOC_INTEL_COMMON_SMI
 	bool
 	default n
 
+config SOC_INTEL_COMMON_ACPI
+	bool
+	default n
+
 endif # SOC_INTEL_COMMON