target-chromium-os-sdk: Depend on dev-libs/wayland

The tatl and tael boards need wayland-scanner to be available at build
time.  It's provided by the dev-libs/wayland package.

BUG=chromium:831391, chromium:826923
TEST=pre-cq

Change-Id: Ifefd1bb188ec59ad756aaaf0b10c72b7683746d2
Signed-off-by: Chirantan Ekbote <chirantan@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1015799
Reviewed-by: David Reveman <reveman@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
2 files changed