coresight-tpdm: Change TPDM api to be upstream compatible

Current TPDM api's rely on older definitions of source ops.
Modify the api definition to be upstream compatible.

Change-Id: I12d1fe1758e089f25c91282d0d5d8fd9edd36a8a
Signed-off-by: Satyajit Desai <sadesai@codeaurora.org>