regulator: qcom-rpmh: Fix smps4 regulator for pm8550ve

The type of the smps4 regulator from pm8550ve is actually FTSMPS525
medium voltage. So fix it accordingly.

Fixes: e6e3776d ("regulator: qcom-rpmh: Add support for PM8550 regulators")
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20231024134626.2364426-1-abel.vesa@linaro.org


Signed-off-by: Mark Brown <broonie@kernel.org>