arm64: dts: renesas: r8a77990: Fix MSIOF1 DMA channels

[ Upstream commit 453802c ]

According to Technical Update TN-RCT-S0352A/E, MSIOF1 DMA can only be
used with SYS-DMAC0 on R-Car E3.

Fixes: 8517042 ("arm64: dts: renesas: r8a77990: Add DMA properties to MSIOF nodes")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200917132117.8515-2-geert+renesas@glider.be
Signed-off-by: Sasha Levin <sashal@kernel.org>

arch/arm64/boot/dts/renesas/r8a77990.dtsi

@@ -1192,9 +1192,8 @@
 			reg = <0 0xe6ea0000 0 0x0064>;
 			interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 210>;
-			dmas = <&dmac1 0x43>, <&dmac1 0x42>,
-			       <&dmac2 0x43>, <&dmac2 0x42>;
-			dma-names = "tx", "rx", "tx", "rx";
+			dmas = <&dmac0 0x43>, <&dmac0 0x42>;
+			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
 			resets = <&cpg 210>;
 			#address-cells = <1>;