soc/intel/meteoerlake: add support for 28W SKU

Add power limits support for 28W SKU.

BRANCH=None
BUG=b:289854108
TEST=Build FW

Change-Id: I83deb1e574990cb70f9aac5d5eb46fbb710a6170
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76238
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/meteorlake/chip.h b/src/soc/intel/meteorlake/chip.h
index 37a7615..9ea7773 100644
--- a/src/soc/intel/meteorlake/chip.h
+++ b/src/soc/intel/meteorlake/chip.h
@@ -24,12 +24,14 @@
 /* Types of different SKUs */
 enum soc_intel_meteorlake_power_limits {
 	MTL_P_282_CORE,
+	MTL_P_682_CORE,
 	MTL_POWER_LIMITS_COUNT
 };
 
 /* TDP values for different SKUs */
 enum soc_intel_meteorlake_cpu_tdps {
-	TDP_15W = 15
+	TDP_15W = 15,
+	TDP_28W = 28
 };
 
 /* Mapping of different SKUs based on CPU ID and TDP values */
@@ -39,6 +41,7 @@
 	enum soc_intel_meteorlake_cpu_tdps cpu_tdp;
 } cpuid_to_mtl[] = {
 	{ PCI_DID_INTEL_MTL_P_ID_2, MTL_P_282_CORE, TDP_15W },
+	{ PCI_DID_INTEL_MTL_P_ID_1, MTL_P_682_CORE, TDP_28W },
 };
 
 /* Types of display ports */