mediatek: One line per board definition

To reserve the blame history, make it easier to extend and ensure the
lines don't get too lengthy in the future.

BUG=None
TEST=emerge-geralt minigbm

Change-Id: Id176ac4b113f61472c171874884d14037591c5e5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/3998335
Tested-by: Fei Shao <fshao@chromium.org>
Commit-Queue: Fei Shao <fshao@chromium.org>
Reviewed-by: Hsin-Yi Wang <hsinyi@chromium.org>
1 file changed