arm64: dts: qcom: sdm630-sony-xperia-nile: drop unneeded status from gpio-keys

Nodes do not need explicit status=okay.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220616005333.18491-23-krzysztof.kozlowski@linaro.org