default or selected kernelversion does not have config value CONFIG_SUPERH_ON_CHIP_R8A66597.
Result is shown for kernelversion 5.3.7

Enable SuperH on-chip R8A66597 USB

configname: CONFIG_SUPERH_ON_CHIP_R8A66597

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>Enable SuperH on-chip R8A66597 USB
In linux kernel since version 2.6.26 (release Date: 2008-07-13)  
This driver enables support for the on-chip R8A66597 in the
SH7366 and SH7723 processors.