dmaengine: ti: k3-psil-j721s2: Add psil threads for sa2ul

commit c3e6f261be853b5171b15919993a03e61a63035a from
git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git

Add endpoint configuration for the four ingress and two egress
threads for main domain crypto accelerator.

Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Signed-off-by: Xulin Sun <xulin.sun@windriver.com>