This patch removes a lot of code duplication between the virtually
identical Veyron Chromebook variants by merging the code into a single
directory and handling the different names solely within Kconfig. This
also allows us to easily add all the other Chromebook variants that have
only been kept in the firmware branch to avoid cluttering ToT too much.

The only effective change this will have (actually already the previous
patch) is that we lose Pinky's quirky compatible string revision number
calculation. Since nobody uses Pinky anymore and the kernel device
tree's have long been removed from the kernel repository, I doubt anyone
will care.

Leaving all non-Chromebook boards as they are for now since they often
contain more extensive differences.

BRANCH=None
BUG=None
TEST=Booted Jerry.

Change-Id: I75c972cb96c545f0251a4225859c494ad6204a4f
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/296062


Reviewed-by: Aaron Durbin <adurbin@chromium.org>