ARM: dts: aspeed: yosemite4: Revise adc128d818 adc mode on Fan Boards

Revise adc128d818 adc mode on Fan Boards according to schematic.

Signed-off-by: Ricky CX Wu <ricky.cx.wu.wiwynn@gmail.com>
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
Link: https://patch.msgid.link/20241003074251.3818101-9-Delphine_CC_Chiu@wiwynn.com
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>

Author: RickyWu0919

arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts

@@ -1145,7 +1145,7 @@
 			adc@1f {
 				compatible = "ti,adc128d818";
 				reg = <0x1f>;
-				ti,mode = /bits/ 8 <2>;
+				ti,mode = /bits/ 8 <1>;
 			};
 
 			pwm@20{
@@ -1193,7 +1193,7 @@
 			adc@1f {
 				compatible = "ti,adc128d818";
 				reg = <0x1f>;
-				ti,mode = /bits/ 8 <2>;
+				ti,mode = /bits/ 8 <1>;
 			};
 
 			pwm@20{