default or selected kernelversion does not have config value CONFIG_REGULATOR_PF0900.
Result is shown for kernelversion 6.18-rc3

NXP PF0900/PF0901/PF09XX regulator driver

modulename: pf0900-regulator.ko

configname: CONFIG_REGULATOR_PF0900

Linux Kernel Configuration
└─>Device Drivers
└─>Voltage and Current Regulator Support
└─>NXP PF0900/PF0901/PF09XX regulator driver
Say y here to support the NXP PF0900/PF0901/PF09XX PMIC
regulator driver.

source code:
drivers/regulator/pf0900-regulator.c