default or selected kernelversion does not have config value CONFIG_CLKSRC_TANGO_XTAL.
Result is shown for kernelversion 6.9.9
Clocksource for Tango SoC
modulename: tango_xtal.ko
configname: CONFIG_CLKSRC_TANGO_XTAL
Linux Kernel Configuration
└─>Device Drivers
└─>Clock Source drivers
└─>Clocksource for Tango SoC
In linux kernel since version 3.10 (release Date: 2013-06-30)
This enables the clocksource for Tango SoC