default or selected kernelversion does not have config value CONFIG_BATTERY_PALMTX.
Result is shown for kernelversion 5.3.7
Palm T|X battery
modulename: palmtx_battery.ko
configname: CONFIG_BATTERY_PALMTX
Linux Kernel Configuration
└─>Device Drivers
└─>Power supply class support
└─>Palm T|X battery
In linux kernel since version 2.6.27 (release Date: 2008-10-09)
Say Y to enable support for the battery in Palm T|X.