dts/bindings: Add binding for mti,cpu-intc
dts/bindings: Add binding for mti,cpu-intc

Add a simple binding for MIPS CPU interrupt controller.

Signed-off-by: Antony Pavlov <e7e2558ecf173848a6564d3e4b1af569555a907d@gmail.com>

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