Add the regulators present on the Asurada platform that are used to
power the internal and external displays.
Tested-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
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Changes in v2:
- Added missing vin-supply to regulators
- Removed min/max-microvolt from regulators that are simple switches