coresight: configure sdc io regulator for tpiu trace via sdc

For trace via sdc the sdc io regulator needs to be configured and enabled.
Add support for this in CoreSight driver instead of depending upon the
configured values of sdc io regulator on bootup.

Change-Id: I65f341c1dde58ee5e66372bcfb11393fc33bef54
Signed-off-by: Aparna Das <adas@codeaurora.org>
2 files changed