RISC-V: QoS: define CBQRI resctrl resources and domains

Define data structures to encapsulate the resctrl resource
and domain structures.

Co-developed-by: Adrien Ricciardi <aricciardi@baylibre.com>
Signed-off-by: Adrien Ricciardi <aricciardi@baylibre.com>
Signed-off-by: Drew Fustini <dfustini@baylibre.com>