arm64: zynqmp: Switch spi-flash to jedec,spi-nor on m-a2197

Mainline has done this switch and there is no reason not to switch it too.

Mainline U-Boot patch which has done that switch:
"dts: switch spi-flash to jedec, spi-nor compatible"
(sha1: ffd4c7c2ecb745586239eb98d5dc0fe5e6ebe3bd)

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/dts/zynqmp-m-a2197-01-revA.dts b/arch/arm/dts/zynqmp-m-a2197-01-revA.dts
index 4e41b6d..9bb4da6 100644
--- a/arch/arm/dts/zynqmp-m-a2197-01-revA.dts
+++ b/arch/arm/dts/zynqmp-m-a2197-01-revA.dts
@@ -74,7 +74,7 @@
 	status = "okay";
 	is-dual = <1>;
 	flash@0 {
-		compatible = "m25p80", "spi-flash"; /* 32MB */
+		compatible = "m25p80", "jedec,spi-nor"; /* 32MB */
 		#address-cells = <1>;
 		#size-cells = <1>;
 		reg = <0x0>;