default or selected kernelversion does not have config value CONFIG_MFD_JZ4740_ADC.
Result is shown for kernelversion 6.9.9

Janz JZ4740 ADC core

modulename: jz4740-adc.ko

configname: CONFIG_MFD_JZ4740_ADC

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Janz JZ4740 ADC core
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
Say yes here if you want support for the ADC unit in the JZ4740 SoC.
This driver is necessary for jz4740-battery and jz4740-hwmon driver.

source code:
selects
CONFIG_MFD_CORE
CONFIG_GENERIC_IRQ_CHIP