tree c00b898d1e39ed722ffe80305c8608bb266f265e
parent a43d8187b2a43edf07a70958aacd38e543a99cef
author Sean Howarth <showarth@google.com> 1371064517 -0700
committer Sean Howarth <showarth@google.com> 1371064517 -0700

prism: added board init callback.

Use the board init calllback to select pin mux'ing and GPIO configuration based
on the board version pins. Default selection is the latest board version.

Change-Id: Ie45604e5b0b3bd1ebc70ebe4b1fbdb26c941c6a0