R-Car M3-W+ pin control support

modulename: pfc-r8a7796.ko

configname: CONFIG_PINCTRL_PFC_R8A77961

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>R-Car M3-W+ pin control support
In linux kernel since version 5.1 (release Date: 2019-05-05)  
source code:
drivers/pinctrl/sh-pfc/pfc-r8a7796.c
depends
CONFIG_PINCTRL

is depended by
CONFIG_PINCTRL_SH_PFC