arm64: dts: renesas: r9a07g054: Add DMA support to RSPI

Add DMA properties to RSPI nodes to support DMA operation.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220728122312.189766-4-biju.das.jz@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/r9a07g054.dtsi

@@ -261,6 +261,8 @@ spi0: spi@1004ac00 {
 			interrupt-names = "error", "rx", "tx";
 			clocks = <&cpg CPG_MOD R9A07G054_RSPI0_CLKB>;
 			resets = <&cpg R9A07G054_RSPI0_RST>;
+			dmas = <&dmac 0x2e95>, <&dmac 0x2e96>;
+			dma-names = "tx", "rx";
 			power-domains = <&cpg>;
 			num-cs = <1>;
 			#address-cells = <1>;
@@ -277,6 +279,8 @@ spi1: spi@1004b000 {
 			interrupt-names = "error", "rx", "tx";
 			clocks = <&cpg CPG_MOD R9A07G054_RSPI1_CLKB>;
 			resets = <&cpg R9A07G054_RSPI1_RST>;
+			dmas = <&dmac 0x2e99>, <&dmac 0x2e9a>;
+			dma-names = "tx", "rx";
 			power-domains = <&cpg>;
 			num-cs = <1>;
 			#address-cells = <1>;
@@ -293,6 +297,8 @@ spi2: spi@1004b400 {
 			interrupt-names = "error", "rx", "tx";
 			clocks = <&cpg CPG_MOD R9A07G054_RSPI2_CLKB>;
 			resets = <&cpg R9A07G054_RSPI2_RST>;
+			dmas = <&dmac 0x2e9d>, <&dmac 0x2e9e>;
+			dma-names = "tx", "rx";
 			power-domains = <&cpg>;
 			num-cs = <1>;
 			#address-cells = <1>;