CONFIG_PINCTRL_BLACKFIN_ADI2 is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_PINCTRL_BLACKFIN_ADI2.
Result is shown for kernelversion 6.7-rc3

CONFIG_PINCTRL_BLACKFIN_ADI2 (not configurable)

configname: CONFIG_PINCTRL_BLACKFIN_ADI2

Linux Kernel Configuration
└─>Blackfin Processor Options
└─>PINCTRL_BLACKFIN_ADI2
In linux kernel since version 3.18.2 (release Date: 2015-01-08)  

depends
CONFIG_BF54x or CONFIG_BF60x