ARM: dts: msm: Add pseudo port entries

Add pseudo port entries to enable Incall music downlink.

Change-Id: Id26acf12767dd7f73497185c4035ab2b98a6c10e
Signed-off-by: Anurag Chouhan <achouhan@codeaurora.org>
Signed-off-by: Jhansi Konathala <cjkonat@codeaurora.org>
Signed-off-by: Meghana Reddy Mula <mmula@codeaurora.org>