honeybuns: Initial /board files

Modified version of /board/fruitpie.
Attempted to capture GPIO definitions. Other changes
consisted of modifying functions to enable compilation.
No real functionality as of yet.

TEST=Serial console and I2C functions have been verified
BUG=chrome-os-partner:37078
BRANCH=samus

Change-Id: Iedfc724a058e4220176193ef0f66e5bf45eabbd9
Signed-off-by: Scott <scollyer@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/252426
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Trybot-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>