ARM: dts: qcom: msm8660: disable GSBI8

The GSBI8 child node (I2C controller) is disabled, so as parent GSBI
node should be the same.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220405063451.12011-6-krzysztof.kozlowski@linaro.org