Add PM8994 RPM regulators with their min/max voltages to DB820c.
Signed-off-by: NRajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: NAndy Gross <andy.gross@linaro.org>