We get a warning about missing unit name for soc node, so add it.

arch/arm64/boot/dts/qcom/sdm845.dtsi:623.11-2814.4: Warning (unit_address_vs_reg): /soc: node has a reg or ranges property, but no unit name
Signed-off-by: NVinod Koul <vkoul@kernel.org>
Reviewed-by: NStephen Boyd <swboyd@chromium.org>
Reviewed-by: NAmit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: NBjorn Andersson <bjorn.andersson@linaro.org>