soc: qcom: glink: Add channel migration interface functions

Add glink migration interface functions in G-Link ocre and transport.
Define the option flags for use by G-Link clients to indicate a preferred
initial transport and RX intent notification in glink_open.

Change-Id: I80ab4411b045158d10ad7ec3eebfae6b4858696a
Signed-off-by: Eric Holmberg <eholmber@codeaurora.org>
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>