default or selected kernelversion does not have config value CONFIG_COMMON_CLK_MT8196_MFGCFG.
Result is shown for kernelversion 6.19-rc1

Clock driver for MediaTek MT8196 mfgcfg

modulename: clk-mt8196-mfg.ko

configname: CONFIG_COMMON_CLK_MT8196_MFGCFG

Linux Kernel Configuration
└─>Device Drivers
└─>Common Clock Framework
└─>Clock driver for MediaTek SoC
└─>Clock driver for MediaTek MT8196 mfgcfg
In linux kernel since version 6.12.57 (release Date: 2025-11-02)  
This driver supports MediaTek MT8196 mfgcfg clocks.

source code:
drivers/clk/mediatek/clk-mt8196-mfg.c