Fix PSU-2 temp sensor 1

Author: Jostar Yang

device/accton/x86_64-accton_as5835_54x-r0/sonic_platform/thermal.py

@@ -41,7 +41,7 @@
 THERMAL_NAME_LIST = ["Temp sensor 1", "Temp sensor 2", 
                      "Temp sensor 3", "Temp sensor 4"] 
 
-PSU_THERMAL_NAME_LIST = ["PSU-1 temp sensor 1", "PSU-2 temp sensor 2"]
+PSU_THERMAL_NAME_LIST = ["PSU-1 temp sensor 1", "PSU-2 temp sensor 1"]
 
 SYSFS_PATH = "/sys/bus/i2c/devices"