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

JMicron JMB36x support

modulename: jmicron.ko

configname: CONFIG_BLK_DEV_JMICRON

Linux Kernel Configuration
└─>Device Drivers
└─>ATA/ATAPI/MFM/RLL support (DEPRECATED)
└─>JMicron JMB36x support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Basic support for the JMicron ATA controllers. For full support
use the libata drivers.

source code:
drivers/ide/jmicron.c