ASoC: msm: set AFE_LOOPBACK_TX port id to EC ref port

Set AFE_LOOPBACK_TX be dai port id to playback port
id to get EC reference. Add session type support in
creating new COPP and while checking for existing COPP.

CRs-Fixed: 2080421
Change-Id: I979f3ce1009cc18ff14130bebb8bd51a78fbe5ac
Signed-off-by: Surendar karka <sukark@codeaurora.org>
Signed-off-by: Sachin Mohan Gadag <sgadag@codeaurora.org>