soc/intel/common: Add Elkhartlake Device IDs

Add Elkhartlake CPU, SA and PCH IDs.
EHL PCH is code named as MCC.
Also add a MCH ID (JSL_EHL) which is shared by both JSL and EHL SKUs.

Signed-off-by: Lean Sheng Tan <lean.sheng.tan@intel.com>
Change-Id: I03f15832143bcc3095a3936c65fbc30a95e7f0f6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38489
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Ronak Kanabar <ronak.kanabar@intel.com>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/common/block/smbus/smbus.c b/src/soc/intel/common/block/smbus/smbus.c
index a99efaf..44b2165 100644
--- a/src/soc/intel/common/block/smbus/smbus.c
+++ b/src/soc/intel/common/block/smbus/smbus.c
@@ -98,6 +98,7 @@
 	PCI_DEVICE_ID_INTEL_CMP_H_SMBUS,
 	PCI_DEVICE_ID_INTEL_TGP_LP_SMBUS,
 	PCI_DEVICE_ID_INTEL_JSP_PRE_PROD_SMBUS,
+	PCI_DEVICE_ID_INTEL_MCC_SMBUS,
 	0
 };