default or selected kernelversion does not have config value CONFIG_MSM_ONCRPCROUTER.
Result is shown for kernelversion 5.4.194
MSM ONCRPC router support
modulename: smd_rpcrouter.ko
and/orsmd_rpcrouter_device.ko
and/orsmd_rpcrouter_servers.ko
configname: CONFIG_MSM_ONCRPCROUTER
Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>MSM ONCRPC router support
In linux kernel since version 2.6.32 (release Date: 2009-12-02)
Support for the MSM ONCRPC router for communication between
the ARM9 and ARM11
the ARM9 and ARM11