defconfig: msm: enable remote debugger driver

The Remote Debugger Driver allows a debugger running on a host PC
to communicate with a remote stub running on peripheral sybsystems.

Change-Id: I99dddc023b17a24e55a96bf3f9e81abe474891e1
Acked-by: Viswanatham Paduchuri <vpaduchu@qti.qualcomm.com>
Signed-off-by: Sathish Ambley <sathishambley@codeaurora.org>