drivers: dma: Add support for J784S4 SoC

Add support for DMA in J784S4 SoC.

Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Signed-off-by: Hari Nagalla <hnagalla@ti.com>
Signed-off-by: Apurva Nandan <a-nandan@ti.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> # AM69-SK
diff --git a/drivers/dma/ti/k3-psil-priv.h b/drivers/dma/ti/k3-psil-priv.h
index 83f873b..02ea1e9 100644
--- a/drivers/dma/ti/k3-psil-priv.h
+++ b/drivers/dma/ti/k3-psil-priv.h
@@ -43,5 +43,6 @@
 extern struct psil_ep_map am64_ep_map;
 extern struct psil_ep_map am62_ep_map;
 extern struct psil_ep_map am62a_ep_map;
+extern struct psil_ep_map j784s4_ep_map;
 
 #endif /* K3_PSIL_PRIV_H_ */