mb/amd/chausie/devicetree: update I2C RX levels to match board design

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ie5d5f5441132e5b0d8991d07d4dde994fc17ab64
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61569
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
diff --git a/src/mainboard/amd/chausie/devicetree.cb b/src/mainboard/amd/chausie/devicetree.cb
index 6067b18..8cc23e1 100644
--- a/src/mainboard/amd/chausie/devicetree.cb
+++ b/src/mainboard/amd/chausie/devicetree.cb
@@ -14,10 +14,10 @@
 	}"
 
 	# I2C Pad Control RX Select Configuration
-	register "i2c_pad[0].rx_level" = "I2C_PAD_RX_3_3V"
-	register "i2c_pad[1].rx_level" = "I2C_PAD_RX_3_3V"
-	register "i2c_pad[2].rx_level" = "I2C_PAD_RX_3_3V"
-	register "i2c_pad[3].rx_level" = "I2C_PAD_RX_3_3V"
+	register "i2c_pad[0].rx_level" = "I2C_PAD_RX_1_8V"
+	register "i2c_pad[1].rx_level" = "I2C_PAD_RX_1_8V"
+	register "i2c_pad[2].rx_level" = "I2C_PAD_RX_1_8V"
+	register "i2c_pad[3].rx_level" = "I2C_PAD_RX_1_8V"
 
 	register "s0ix_enable" = "true"