ARM: dts: iwg22d-sodimm: Sound DMA support via BUSIF on DTS

DMA transfer to/from SSIU

     DMA
[MEM] -> [SSIU] -> [SSI]

     DMA
[MEM] <- [SSIU] <- [SSI]
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts

@@ -206,12 +206,7 @@ &sdhi0 {
 	status = "okay";
 };
 
-&ssi3 {
-	no-busif;
-};
-
 &ssi4 {
-	no-busif;
 	shared-pin;
 };