arm64: dts: qcom: msm8916: Use more generic node names

Now that all MSM8916 boards are referencing nodes by label instead
of name, we can easily make some more nodes use more generic names
(as recommended in the device tree specification or the binding
documentation).

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20200915071221.72895-10-stephan@gerhold.net


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