arm64: dts: qcom: drop underscore in node names

Underscores should not be used in node names (dtc with W=2 warns about
them), so replace them with hyphens.

Functional impact checked with comparing before/after DTBs with dtx_diff
and fdtdump.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konradybcio@kernel.org>
Link: https://lore.kernel.org/r/20240905-dts-cleanup-v1-3-f4c5f7b2c8c2@linaro.org


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