regulator: qcom-rpmh: Sort the compatibles

It helps to keep sorted order for compatibles, so sort them

Suggested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20190809073616.1235-2-vkoul@kernel.org


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