arm64: dts: qcom: qcs404: Fix regulator supply names

The regulator definition got their supply names cleaned up during
upstreaming, so they no longer match the driver defined names. Update
the supply names.

Also fill out the missing voltage of SMPS 5.

Fixes: 0b363f5b ("arm64: dts: qcom: qcs404: Add PMS405 RPM regulators")
Reported-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Reviewed-by: Niklas Cassel <niklas.cassel@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>