ARM: dts: msm: Add remote debugger device configuration for sdm845

Adding remote debugger device configuration. The Remote Debugger driver
allows a debugger running on a host PC to communicate with a remote
stub running on peripheral subsystems.

Change-Id: I6a6c251ac7642af85dbd7374374c4a1adfb75b48
Acked-by: Chenna Kesava Raju <chennak@qti.qualcomm.com>
Signed-off-by: Tharun Kumar Merugu <mtharu@codeaurora.org>