dts: 750-84xx: wosm: set new OSPI configs

- with the prior configs reading the JEDEC ID didnt work
- these configs work but still need to be adjusted

Signed-off-by: Heinrich Toews <ht@twx-software.de>

arch/arm64/boot/dts/ti/k3-am623-pfc-750-84xx-wosm.dtsi

@@ -161,14 +161,24 @@
 		reg = <0x0>;
 		spi-tx-bus-width = <8>;
 		spi-rx-bus-width = <8>;
-		spi-max-frequency = <200000000>;
-                m25p,fast-read;
-
+		spi-max-frequency = <25000000>;
 		cdns,tshsl-ns = <60>;
 		cdns,tsd2d-ns = <60>;
 		cdns,tchsh-ns = <60>;
 		cdns,tslch-ns = <60>;
-		cdns,read-delay = <0>;
+		cdns,read-delay = <4>;
+		cdns,phy-mode;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "ospi.mram.mem";
+				reg = <0x0 0x800000>;
+			};
+		};
 	};
 };