CONFIG_PINCTRL_SUNXI is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_PINCTRL_SUNXI (not configurable)

modulename: pinctrl-sunxi.ko

configname: CONFIG_PINCTRL_SUNXI

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>PINCTRL_SUNXI
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
drivers/pinctrl/pinctrl-sunxi.c

depends
CONFIG_PINCTRL

is depended by
CONFIG_ARCH_SUNXI