dt-bindings: interconnect: Add disp specific nodes for Lahaina

Add node IDs for interconnect nodes that target display BCMs
and display specific voter.

Change-Id: If3c30c517417b2621b7ea768a7a61254cd0982d2
Signed-off-by: David Dai <daidavid1@codeaurora.org>
Signed-off-by: Georgi Djakov <gdjako@codeaurora.org>