Created by: etienne-lms
Introduces a basic Voltage Domain driver and a SCMI voltage domain protocol driver. SCMI voltage domain protocol is introduced in SCMI specification v3.
Module voltage_domain is a generic HAL for voltage domains, aka power supply regulators drivers. Based on module configuration, the module binds each element to the voltage domain backend driver thru a generic driver interface:
Signed-off-by: Etienne Carriere email@example.com