arm64: dts: intel: adjust qpsi read-delay property

The "cnds,read-delay" value needs to be 2 for the Agilex devkit.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts

@@ -113,7 +113,7 @@ flash@0 {
 		m25p,fast-read;
 		cdns,page-size = <256>;
 		cdns,block-size = <16>;
-		cdns,read-delay = <1>;
+		cdns,read-delay = <2>;
 		cdns,tshsl-ns = <50>;
 		cdns,tsd2d-ns = <50>;
 		cdns,tchsh-ns = <4>;