Meep: Remove support for board version 0
Meep: Remove support for board version 0

At this point, support for board version 0 can be pulled from the code.
This leaves the board file cleaner to read, and also creates a better
starting point reference for followers.

BUG=b:128413812
BRANCH=octopus
TEST=builds

Change-Id: I331383d21fda9b4e6ca37df47c0025f00e54698d
Signed-off-by: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1525064
Reviewed-by: Karthikeyan Ramasubramanian <5f7313966b13e2a933e6857bda169ba157fc04ea@chromium.org>
Reviewed-by: Jett Rink <9d4aef0593e6843318d99df31597fb6153b89787@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec