arm/dt: Add entry to disable debug image

Disabling the debug image is required on 8974 for adb reboot to
work when you use TZ with XPUs enabled.

Change-Id: I021cd4a6a9aaad4023514201ee4c1d305ad7754a
Signed-off-by: Pushkar Joshi <pushkarj@codeaurora.org>
1 file changed