soc/intel/cannonlake: Make ramstage relocatable

Relocate ramstage into CBMEM.

Change-Id: I0543d25d722c5872f4f139a98e5125a41cc40653
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/20640
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/intel/cannonlake/Kconfig

@@ -23,6 +23,7 @@ config CPU_SPECIFIC_OPTIONS
 	select HAVE_INTEL_FIRMWARE
 	select INTEL_CAR_NEM_ENHANCED
 	select PLATFORM_USES_FSP2_0
+	select RELOCATABLE_RAMSTAGE
 	select SOC_INTEL_COMMON
 	select SOC_INTEL_COMMON_BLOCK_SA
 	select SOC_INTEL_COMMON_BLOCK