Add direct drive inference support

The direct drive NPU setup now supports running inference that have been
compiled with the new COP2 format.

This patch does not include support for setting up the PMU counters.

Change-Id: Ic2c9a54bde1735f3757cf50b53dd85a3a80637b0
Signed-off-by: Mikael Olsson <mikael.olsson@arm.com>