skylake: update processor power limits configuration

Update processor power limit configuration parameters based on
common code base support for Intel Skylake SoC based platforms.

BRANCH=None
BUG=None
TEST=Built and tested on nami system

Change-Id: Idc82f3d2f805b92fb3005d2f49098e55cb142e45
Signed-off-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41238
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/mainboard/google/eve/devicetree.cb b/src/mainboard/google/eve/devicetree.cb
index 564b45d..3b1f22c 100644
--- a/src/mainboard/google/eve/devicetree.cb
+++ b/src/mainboard/google/eve/devicetree.cb
@@ -250,8 +250,10 @@
 
 	register "speed_shift_enable" = "1"
 	register "dptf_enable" = "1"
-	register "tdp_pl1_override" = "7"
-	register "tdp_pl2_override" = "15"
+	register "power_limits_config" = "{
+		.tdp_pl1_override = 7,
+		.tdp_pl2_override = 15,
+	}"
 	register "tcc_offset" = "10"
 
 	device cpu_cluster 0 on