dtbo: support project DTBO_DEVICETREE [2/2]

PD#SWPL-188306

Problem:
support project DTBO_DEVICETREE

Solution:
support project DTBO_DEVICETREE

Verify:
local

Change-Id: Ia593f4f5b8cdd3091fcd6d62a304d60ede1cc1be
Signed-off-by: Xindong Xu <xindong.xu@amlogic.com>
9 files changed