Required properties:
- compatible: Should be "siliconmitus,sm5502-muic"
- reg: Specifies the I2C slave address of the MUIC block. It should be 0x25
-- interrupt-parent: Specifies the phandle of the interrupt controller to which
- the interrupts from sm5502 are delivered to.
- interrupts: Interrupt specifiers for detection interrupt sources.
Example: