default or selected kernelversion does not have config value CONFIG_BLK_DEV_UMC8672.
Result is shown for kernelversion 6.9.9

UMC-8672 support

modulename: umc8672.ko

configname: CONFIG_BLK_DEV_UMC8672

Linux Kernel Configuration
└─>Device Drivers
└─>ATA/ATAPI/MFM/RLL support (DEPRECATED)
└─>UMC-8672 support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This driver is enabled at runtime using the "umc8672.probe" kernel
boot parameter. It enables support for the secondary IDE interface
of the UMC-8672, and permits faster I/O speeds to be set as well.
See the files <file:Documentation/ide/ide.txt> and
<file:drivers/ide/umc8672.c> for more info.

source code: