platforms: Add JSON config for Google Pixel

Created by: bjackman

Source of info: arch/arm/boot/dts/qcom/msm8996.dtsi in Android MSM kernel, tag android-7.1.0_r0.3 (76cdcfd5b0c3)

https://android.googlesource.com/kernel/msm.git/+/android-7.1.0_r0.3/arch/arm/boot/dts/qcom/msm8996.dtsi#157