mb/google/skyrim: Move I2C config to devicetree

The I2C config was unnecessarily placed in the overridetree.  As we
prepare for fanout, this is going to cause unnecessary noisy changes.
Move the I2C config to the devicetree to avoid this.

BUG=None
TEST=Build

Change-Id: I09ad5c911a0fd00274761cb71e9b659b47cd6da1
Signed-off-by: Jon Murphy <jpmurphy@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66802
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
index 9d4b12c..81c76b7 100644
--- a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
@@ -47,6 +47,32 @@
 	register "i2c_pad[2].rx_level" = "I2C_PAD_RX_1_8V" # Audio/SAR
 	register "i2c_pad[3].rx_level" = "I2C_PAD_RX_1_8V" # GSC
 
+	# I2C Config
+	#+-------------------+----------------------------+
+	#| Field             |  Value                     |
+	#+-------------------+----------------------------+
+	#| I2C0              | Trackpad                   |
+	#| I2C1              | Touchscreen                |
+	#| I2C2              | Speaker, Codec, P-SAR, USB |
+	#| I2C3              | D2 TPM                     |
+	#+-------------------+----------------------------+
+	register "i2c[0]" = "{
+		.speed = I2C_SPEED_FAST,
+	}"
+
+	register "i2c[1]" = "{
+		.speed = I2C_SPEED_FAST,
+	}"
+
+	register "i2c[2]" = "{
+		.speed = I2C_SPEED_FAST,
+	}"
+
+	register "i2c[3]" = "{
+		.speed = I2C_SPEED_FAST,
+		.early_init = true,
+	}"
+
 	# general purpose PCIe clock output configuration
 	register "gpp_clk_config[0]" = "GPP_CLK_REQ"
 	register "gpp_clk_config[1]" = "GPP_CLK_REQ"
diff --git a/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb b/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb
index d8dc59b..f59e43e 100644
--- a/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb
+++ b/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb
@@ -91,32 +91,6 @@
 		end # Internal GPP Bridge 0 to Bus A
 	end # domain
 
-	# I2C Config
-	#+-------------------+----------------------------+
-	#| Field             |  Value                     |
-	#+-------------------+----------------------------+
-	#| I2C0              | Trackpad                   |
-	#| I2C1              | Touchscreen                |
-	#| I2C2              | Speaker, Codec, P-SAR, USB |
-	#| I2C3              | D2 TPM                     |
-	#+-------------------+----------------------------+
-	register "i2c[0]" = "{
-		.speed = I2C_SPEED_FAST,
-	}"
-
-	register "i2c[1]" = "{
-		.speed = I2C_SPEED_FAST,
-	}"
-
-	register "i2c[2]" = "{
-		.speed = I2C_SPEED_FAST,
-	}"
-
-	register "i2c[3]" = "{
-		.speed = I2C_SPEED_FAST,
-		.early_init = true,
-	}"
-
 	device ref i2c_0 on
 		chip drivers/i2c/generic
 			register "hid" = ""ELAN0000""
diff --git a/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb b/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
index e0becd4..7a56f93 100644
--- a/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
+++ b/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
@@ -1,32 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 chip soc/amd/mendocino
-
-	# I2C Config
-	#+-------------------+----------------------------+
-	#| Field             |  Value                     |
-	#+-------------------+----------------------------+
-	#| I2C0              | Trackpad                   |
-	#| I2C1              | Touchscreen                |
-	#| I2C2              | Speaker, Codec, P-SAR, USB |
-	#| I2C3              | D2 TPM                     |
-	#+-------------------+----------------------------+
-	register "i2c[0]" = "{
-		.speed = I2C_SPEED_FAST,
-	}"
-
-	register "i2c[1]" = "{
-		.speed = I2C_SPEED_FAST,
-	}"
-
-	register "i2c[2]" = "{
-		.speed = I2C_SPEED_FAST,
-	}"
-
-	register "i2c[3]" = "{
-		.speed = I2C_SPEED_FAST,
-		.early_init = true,
-	}"
-
 	device domain 0 on end
 end	# chip soc/amd/mendocino