ARM: dts: aspeed: Enable Dual SPI RX transfers

All these controllers support at least Dual SPI. Update the DTs.
Reviewed-by: Joel Stanley <joel@jms.id.au>
Tested-by: Joel Stanley <joel@jms.id.au>
Tested-by: Tao Ren <rentao.bupt@gmail.com>
Tested-by: Jae Hyun Yoo <quic_jaehyoo@quicinc.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Link: https://lore.kernel.org/r/20220509175616.1089346-10-clg@kaod.orgSigned-off-by: Joel Stanley <joel@jms.id.au>

arch/arm/boot/dts/aspeed-g4.dtsi

@@ -64,27 +64,32 @@ fmc: spi@1e620000 {
 			flash@0 {
 				reg = < 0 >;
 				compatible = "jedec,spi-nor";
+				spi-rx-bus-width = <2>;
 				spi-max-frequency = <50000000>;
 				status = "disabled";
 			};
 			flash@1 {
 				reg = < 1 >;
 				compatible = "jedec,spi-nor";
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 			flash@2 {
 				reg = < 2 >;
 				compatible = "jedec,spi-nor";
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 			flash@3 {
 				reg = < 3 >;
 				compatible = "jedec,spi-nor";
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 			flash@4 {
 				reg = < 4 >;
 				compatible = "jedec,spi-nor";
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 		};
@@ -100,6 +105,7 @@ flash@0 {
 				reg = < 0 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 		};

arch/arm/boot/dts/aspeed-g5.dtsi

@@ -66,18 +66,21 @@ flash@0 {
 				reg = < 0 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 			flash@1 {
 				reg = < 1 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 			flash@2 {
 				reg = < 2 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 		};
@@ -93,12 +96,14 @@ flash@0 {
 				reg = < 0 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 			flash@1 {
 				reg = < 1 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 		};
@@ -114,12 +119,14 @@ flash@0 {
 				reg = < 0 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 			flash@1 {
 				reg = < 1 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 		};

arch/arm/boot/dts/aspeed-g6.dtsi

@@ -106,18 +106,21 @@ flash@0 {
 				reg = < 0 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 			flash@1 {
 				reg = < 1 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 			flash@2 {
 				reg = < 2 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 		};
@@ -133,12 +136,14 @@ flash@0 {
 				reg = < 0 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 			flash@1 {
 				reg = < 1 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 		};
@@ -154,18 +159,21 @@ flash@0 {
 				reg = < 0 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 			flash@1 {
 				reg = < 1 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 			flash@2 {
 				reg = < 2 >;
 				compatible = "jedec,spi-nor";
 				spi-max-frequency = <50000000>;
+				spi-rx-bus-width = <2>;
 				status = "disabled";
 			};
 		};