ARM: dts: aspeed: mtmitchell: Add inlet temperature sensor

Add the inlet temperature at address 0x48, which is connected
via BMC I2C8.

Signed-off-by: Chanh Nguyen <chanh@os.amperecomputing.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20231005035525.19036-6-chanh@os.amperecomputing.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
index b7c4f7c..eb41e55 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
@@ -497,6 +497,11 @@ &i2c7 {
 &i2c8 {
 	status = "okay";
 
+	temperature-sensor@48 {
+		compatible = "ti,tmp112";
+		reg = <0x48>;
+	};
+
 	gpio@77 {
 		compatible = "nxp,pca9539";
 		reg = <0x77>;