This answer record discusses a known issue in the 14.1 tool when editing XADC registers in the ChipScope analyzer for Zynq devices.
Solution
If editing the XADC registers in the ChipScope analyzer for Zynq devices, register 0x53 is missing the description. The register name for 0x53 should be "Alarm Reg. #3 OT upper." This is a known issue in 14.1 and will be fixed in the 14.2 tools.