regulator: dt-bindings: rpmh-regulator: add header for voltage levels

Add a header file for the RPMh regulator voltage level constants
to be used in device tree regulator configurations.

Change-Id: Ia0c47c245bc1d2f005c785a702638579cf545804
Signed-off-by: David Collins <collinsd@codeaurora.org>
1 file changed