coresight: add bc, tc and dsb datasets to tpdm

Add support for BC, TC and DSB datasets to TPDM driver. These
datasets describe the type of data that can be traced, profiled
and monitored through TPDM.

Change-Id: I6c4bb73363ca52c2cc69cf82dfa0bbe5f2e2a7e5
Signed-off-by: Sarangdhar Joshi <spjoshi@codeaurora.org>