arm64: dts: qcom: sdm845: add the ufs reset

Add the core UFS reset for sdm845

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20200106070826.147064-4-vkoul@kernel.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>