arm64: zynqmp: Remove additional compatible string for sc-revB

Based on dt schema there is no need to specify flash via additional
compatible string and generic are enough.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/54e77ad480c5de8703cb5b22408dc3bf72f3f431.1709887280.git.michal.simek@amd.com
diff --git a/arch/arm/dts/zynqmp-sc-revB.dts b/arch/arm/dts/zynqmp-sc-revB.dts
index de2d784..c1d713b 100644
--- a/arch/arm/dts/zynqmp-sc-revB.dts
+++ b/arch/arm/dts/zynqmp-sc-revB.dts
@@ -192,7 +192,7 @@
 	status = "okay";
 	/* QSPI should also have PINCTRL setup */
 	flash@0 {
-		compatible = "mt25qu512a", "m25p80", "jedec,spi-nor"; /* mt25qu512abb8e12 512Mib */
+		compatible = "m25p80", "jedec,spi-nor"; /* mt25qu512abb8e12 512Mib */
 		#address-cells = <1>;
 		#size-cells = <1>;
 		reg = <0>;