ti: k3: drivers: ti_sci: Add support for Processor control

ti: k3: drivers: ti_sci: Add support for Processor control

TI-SCI message protocol provides support for controlling of various
physical cores available in the SoC. In order to control which host is
capable of controlling a physical processor core, there is a processor
access control list that needs to be populated as part of the board
configuration data.

Introduce support for the set of TI-SCI message protocol APIs that
provide us with this capability of controlling physical cores.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Andreas Dannenberg <dannenberg@ti.com>