default or selected kernelversion does not have config value CONFIG_COMMON_CLK_MT8186.
Result is shown for kernelversion 6.9-rc5

Clock driver for MediaTek MT8186

modulename: clk-mt8186-apmixedsys.ko

configname: CONFIG_COMMON_CLK_MT8186

Linux Kernel Configuration
└─>Device Drivers
└─>Common Clock Framework
└─>Clock driver for MediaTek SoC
└─>Clock driver for MediaTek MT8186
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This driver supports MediaTek MT8186 clocks.

source code:
drivers/clk/mediatek/

depends
CONFIG_COMMON_CLK
CONFIG_ARCH_MEDIATEK or CONFIG_COMPILE_TEST
CONFIG_ARM64 or CONFIG_COMPILE_TEST