include: dt-bindings: b91_pinctrl: add pinctrl bindings for B91
include: dt-bindings: b91_pinctrl: add pinctrl bindings for B91

Added DT pinctrl bindings for new Telink B91 SoC.

Signed-off-by: Yuriy Vynnychek <a84feaeb1f754105d62c9a6971fe842c95d6cc94@telink-semi.com>

finikorg/zephyr,galak/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr