ARM: dts: imx53-smd: Remove invalid SPI flash entry

"st,m25p" is not a valid compatible according to jedec,spi-nor.yaml.

Remove it.

Also, node names should be generic, so use 'flash' as the SPI NOR flash
node name.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Author: Fabio Estevam

arch/arm/boot/dts/nxp/imx/imx53-smd.dts

@@ -67,10 +67,10 @@
 		reg = <0>;
 	};
 
-	flash: m25p32@1 {
+	flash: flash@1 {
 		#address-cells = <1>;
 		#size-cells = <1>;
-		compatible = "st,m25p32", "st,m25p", "jedec,spi-nor";
+		compatible = "st,m25p32", "jedec,spi-nor";
 		spi-max-frequency = <20000000>;
 		reg = <1>;