tree 8577dd03612c2010434b50feb57255af1e6b2d50
parent 63b4aaad128f36f017b107ae6da902369c2e7561
author Michael Brooks <michaelbrooks@google.com> 1576020450 -0800
committer Michael Brooks <michaelbrooks@google.com> 1576020450 -0800

Clear 40-pin IO muxing on Dev Board

The iomuxc group for the 40-pin gpio takes ownership of GPIO that are
used by the enviro board. Set the phanbell_gpio property to owning no
GPIO and instead rely on the enviro one for the needed IOs.

Tested:
Operational ADC with overlay applied

Change-Id: I11b2446bf6829a80ce9366c2051f937953ed82ac