arm64: dts: qcom: msm8998-yoshino: Use actual pin names for pin nodes

With the gpio-line-names in place coming from SONY themselves, we can
now make the pin nodes and their labels to more closely resemble the
actual thing. 4k has been renamed to four_k due to dtc limitations.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230314-topic-yoshino_gpio-v2-2-4cb80e187e38@linaro.org