default or selected kernelversion does not have config value CONFIG_RT2860.
Result is shown for kernelversion 5.4.69

Ralink 2860/3090 wireless support

modulename: rt2860sta.ko

configname: CONFIG_RT2860

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Wireless LAN
└─>Ralink 2860/3090 wireless support
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
This is an experimental driver for the Ralink 2860 and 3090
wireless chips.

source code:
drivers/staging/rt2860/