default or selected kernelversion does not have config value CONFIG_I2C_ISA.
Result is shown for kernelversion 5.15.113
CONFIG_I2C_ISA (not configurable)
modulename: i2c-isa.ko
configname: CONFIG_I2C_ISA
Linux Kernel Configuration
└─>Device Drivers
└─>I2C support
└─>I2C Hardware Bus support
└─>I2C_ISA