Merge "Remove comma after $(warning)" am: f10d330fcb am: c41557dbfe am: 7579eea181 am: f9af4f8872

Original change: https://android-review.googlesource.com/c/device/linaro/hikey/+/2011875

Change-Id: I442d98652b2f9a98eb6dabe2957c342b5d97366f