coresight: add pin control support for tpiu driver

Use pin control framework to configure pin resources for
obtaining TPIU trace via mictor instead of GPIO lib
implementations used earlier. Modify the CoreSight TPIU driver
to implement this change.

Change-Id: Ifc565994214ee7c4f7abb97b4222352becfdf2b4
Signed-off-by: Aparna Das <adas@codeaurora.org>