default or selected kernelversion does not have config value CONFIG_IMX7_PM_DOMAINS.
Result is shown for kernelversion 6.9.9

i.MX7 PM domains

modulename: gpcv2.ko

configname: CONFIG_IMX7_PM_DOMAINS

Linux Kernel Configuration
└─>Device Drivers
└─>SOC (System On Chip) specific Drivers
└─>i.MX SoC drivers
└─>Device Tree and Open Firmware support
└─>i.MX7 PM domains
In linux kernel since version 4.2 (release Date: 2015-08-30)  
source code:
drivers/soc/imx/gpcv2.c
selects
CONFIG_PM_GENERIC_DOMAINS

depends
CONFIG_PM
CONFIG_SOC_IMX7D or CONFIG_COMPILE_TEST
CONFIG_OF