ARM: dts: msm: Add support for DATA1 GLink channel in MSMCOBALT

DATA1 G-Link channel is used from user-space for Bluetooth DUN calls.
Add support to expose an interface to that G-Link channel.

CRs-Fixed: 1062478
Change-Id: Ib0d3c22810fa691c9036a9ab57df7bf8562c7fb9
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>