dts: G12B: defendkey: support secure upgrade check [3/3]

PD#SWPL-2348

Problem:
G12B need to support secure upgrade check

Solution:
add defendkey support in all G12B dts

Verify:
G12B skt board verify pass

Change-Id: I2c3f51e761531cf2169dda483991b3d876039686
Signed-off-by: Zhongfu Luo <zhongfu.luo@amlogic.com>
2 files changed