ARM: dts: msm: add dt entry for remote debugger driver support

The  Remote Debugger Driver allows a debugger running on a host
PC to communicate with a remote stub running on peripheral
subsystems. Populate device tree with information to support this
functionality.

Change-Id: I45e0fec12ca5582fae5fef6ccde58010a59a9567
Acked-by: Vivek Iyer <viyer@qti.qualcomm.com>
Acked-by: Mahesh Rohera <mrohera@qti.qualcomm.com>
Acked-by: Jay Jayanna <jjayanna@qti.qualcomm.com>
Signed-off-by: Aparna Das <adas@codeaurora.org>