arm/dt: 9x25: Add debug and ETM registers to device tree

The ETM and debug registers need to be saved and restored
on 9625 using memory mapped access as cp14 access is not
permitted for ETM registers.

Change-Id: I0a68a49b4b4f4c356d17e7b62ac3398e50cfeb2e
Signed-off-by: Pushkar Joshi <pushkarj@codeaurora.org>
2 files changed