ARM: dts: msm: add remote debugger support on atoll

Add 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: I80ed9f7fb9d1d38b7c6a8eae9f8af9fb71a28fba
Acked-by: Devender Kaushik <dkaushik@qti.qualcomm.com>
Signed-off-by: Mohammed Nayeem Ur Rahman <mohara@codeaurora.org>