soc: ti: k3: add CPPI5 description and helpers

Add TI Communications Port Programming Interface (CPPI) 5
interface description and helpers

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
1 file changed