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

CONFIG_ARM_AMBA (not configurable)

modulename: bus.ko

configname: CONFIG_ARM_AMBA

Linux Kernel Configuration
└─>Device Drivers
└─>ARM_AMBA
In linux kernel since version 2.6.12  
source code:
drivers/amba/bus.c