t132: ryu: Correct how board id is retrieved

Two changes: 1. A44 ID straps use different gpio pins than nyan.
2. A44 uses tristate values instead two state values.

BUG=none
BRANCH=none
TEST=Built and tested on A44 board.

Change-Id: Ia2a4309d3b63b0a94d79465dd727b01fae01e1b9
Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com>
Reviewed-on: https://chromium-review.googlesource.com/211753
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2 files changed