soc/intel/skylake: Make use of common thermal code for SKL

This patch ensures skylake soc is using common thermal code
from intel common block.

TEST=Build and boot soraka

Change-Id: I0812daa3536051918ccac973fde8d7f4f949609d
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34648
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Aamir Bohra <aamir.bohra@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/poppy/variants/rammus/devicetree.cb b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
index 1f73a59..70a4667 100644
--- a/src/mainboard/google/poppy/variants/rammus/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
@@ -172,6 +172,7 @@
 	#| I2C0              | Touchscreen               |
 	#| I2C1              | Trackpad                  |
 	#| I2C5              | Audio                     |
+	#| pch_thermal_trip  | PCH Trip Temperature      |
 	#+-------------------+---------------------------+
 	register "common_soc_config" = "{
 		.chipset_lockdown = CHIPSET_LOCKDOWN_COREBOOT,
@@ -207,6 +208,7 @@
 			.speed_mhz = 1,
 			.early_init = 1,
 		},
+		.pch_thermal_trip = 75,
 	}"
 
 	# Touchscreen
@@ -242,9 +244,6 @@
 	# Use default SD card detect GPIO configuration
 	register "sdcard_cd_gpio_default" = "GPP_E15"
 
-	# PCH Trip Temperature in degree C
-	register "pch_trip_temp" = "75"
-
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end