ARM: shmobile: r8a7791 dtsi: Enable DMA for MSIOF

Add register sets used for access by the DMA engine, and DMA properties to
the MSIOF nodes.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7791.dtsi

@@ -1022,9 +1022,11 @@ qspi: spi@e6b10000 {
 
 	msiof0: spi@e6e20000 {
 		compatible = "renesas,msiof-r8a7791";
-		reg = <0 0xe6e20000 0 0x0064>;
+		reg = <0 0xe6e20000 0 0x0064>, <0 0xe7e20000 0 0x0064>;
 		interrupts = <0 156 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp0_clks R8A7791_CLK_MSIOF0>;
+		dmas = <&dmac0 0x51>, <&dmac0 0x52>;
+		dma-names = "tx", "rx";
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "disabled";
@@ -1032,9 +1034,11 @@ msiof0: spi@e6e20000 {
 
 	msiof1: spi@e6e10000 {
 		compatible = "renesas,msiof-r8a7791";
-		reg = <0 0xe6e10000 0 0x0064>;
+		reg = <0 0xe6e10000 0 0x0064>, <0 0xe7e10000 0 0x0064>;
 		interrupts = <0 157 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks R8A7791_CLK_MSIOF1>;
+		dmas = <&dmac0 0x55>, <&dmac0 0x56>;
+		dma-names = "tx", "rx";
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "disabled";
@@ -1042,9 +1046,11 @@ msiof1: spi@e6e10000 {
 
 	msiof2: spi@e6e00000 {
 		compatible = "renesas,msiof-r8a7791";
-		reg = <0 0xe6e00000 0 0x0064>;
+		reg = <0 0xe6e00000 0 0x0064>, <0 0xe7e00000 0 0x0064>;
 		interrupts = <0 158 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks R8A7791_CLK_MSIOF2>;
+		dmas = <&dmac0 0x41>, <&dmac0 0x42>;
+		dma-names = "tx", "rx";
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "disabled";