default or selected kernelversion does not have config value CONFIG_PCI_PWRCTRL_PWRSEQ.
Result is shown for kernelversion 6.16-rc7

CONFIG_PCI_PWRCTRL_PWRSEQ (not configurable)

modulename: pci-pwrctrl-pwrseq.ko

configname: CONFIG_PCI_PWRCTRL_PWRSEQ

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>PCI_PWRCTRL_PWRSEQ
In linux kernel since version 6.1.145 (release Date: 2025-07-14)  
source code:
drivers/pci/pwrctrl/pci-pwrctrl-pwrseq.c

depends
CONFIG_PCI