ARM: dts: msm: Add G-Link SMEM Transport entries for MSMCOBALT

These entries allow the G-Link SMEM Transport to function, which allows
G-Link to use shared memory as an underlying physical transport.

Change-Id: I360f1fc28f5997b4b472c51fd01e5e21a06090d4
Signed-off-by: Steven Cahail <scahail@codeaurora.org>