arm64: dts: qcom: apq8016-sbc: drop label from I2C and SPI

arm64: dts: qcom: apq8016-sbc: drop label from I2C and SPI

I2C and SPI controller bindings do not allow label property:

  apq8016-sbc.dtb: spi@78b7000: Unevaluated properties are not allowed ('label' was unexpected)
  apq8016-sbc.dtb: i2c@78b6000: Unevaluated properties are not allowed ('label' was unexpected)

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230617171541.286957-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>