ZTE platforms device tree bindings
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-  ZX296702 board:
    Required root node properties:
      - compatible = "zte,zx296702-ad1", "zte,zx296702"

System management required properties:
      - compatible = "zte,sysctrl"

Low power management required properties:
      - compatible = "zte,zx296702-pcu"

Bus matrix required properties:
      - compatible = "zte,zx-bus-matrix"