The Build prefix is used for image build commands, while the Device
prefix should be used for base recipes for devices. Apply the same
naming convention here.
While touching the file, also fix the mixed indentation.
Suggested-by: INAGAKI Hiroshi <musashino.open@gmail.com>
Signed-off-by: Sander Vanheule <sander@svanheule.net>
fe5a2f334f