Max8925 Voltage regulators

Required nodes:
-nodes:
  - SDV1 for SDV SDV1
  - SDV2 for SDV SDV2
  - SDV3 for SDV SDV3
  - LDO1 for LDO LDO1
  - LDO2 for LDO LDO2
  - LDO3 for LDO LDO3
  - LDO4 for LDO LDO4
  - LDO5 for LDO LDO5
  - LDO6 for LDO LDO6
  - LDO7 for LDO LDO7
  - LDO8 for LDO LDO8
  - LDO9 for LDO LDO9
  - LDO10 for LDO LDO10
  - LDO11 for LDO LDO11
  - LDO12 for LDO LDO12
  - LDO13 for LDO LDO13
  - LDO14 for LDO LDO14
  - LDO15 for LDO LDO15
  - LDO16 for LDO LDO16
  - LDO17 for LDO LDO17
  - LDO18 for LDO LDO18
  - LDO19 for LDO LDO19
  - LDO20 for LDO LDO20

Optional properties:
- Any optional property defined in bindings/regulator/regulator.txt

Example:

	SDV1 {
		regulator-min-microvolt = <637500>;
		regulator-max-microvolt = <1425000>;
		regulator-boot-on;
		regulator-always-on;
	};

