[Product Revision] Modify AtomS3 MPU6886 connection to prevent address conflicts

[Cairnus]

AtomS3 - Ability to programmatically disconnect the onboard MPU6886 to prevent potential address conflicts with external I2C devices or use of the pins G38/G39 for non-I2C uses.

[Ifantus]

I open mine up and cut mpu6886 out, now I use pins for anything I want without no issue

[Blimzle]

I cut the daughter board out of mine too