default or selected kernelversion does not have config value CONFIG_MYRI_SBUS.
Result is shown for kernelversion 5.6.18

MyriCOM Gigabit Ethernet support

modulename: myri_sbus.ko

configname: CONFIG_MYRI_SBUS

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet (1000 Mbit)
└─>MyriCOM Gigabit Ethernet support
In linux kernel since version 2.6.12  
This driver supports MyriCOM Sbus gigabit Ethernet cards.

To compile this driver as a module, choose M here: the module
will be called myri_sbus. This is recommended.

source code: