ARM: shmobile: henninger dts: Add "nor-jedec" compatible value

Spansion s25fl512s is compatible with "nor-jedec". Hence add the
"nor-jedec" compatible value, so the driver can bind against the generic
name, cfr. commit 8ff16cf7 ("Documentation: devicetree: m25p80:
add "nor-jedec" binding").
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7791-henninger.dts

@@ -226,7 +226,7 @@ &qspi {
 	flash@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
-		compatible = "spansion,s25fl512s";
+		compatible = "spansion,s25fl512s", "nor-jedec";
 		reg = <0>;
 		spi-max-frequency = <30000000>;
 		spi-tx-bus-width = <4>;