arm64: dts: marvell: espressobin-ultra: add generic Espressobin compatible

Espressobin Ultra is part of the Espressobin family and shares the basic
design, so add the generic "globalscale,espressobin" compatible to it as
well.
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>

arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts

@@ -12,8 +12,8 @@
 
 / {
 	model = "Globalscale Marvell ESPRESSOBin Ultra Board";
-	compatible = "globalscale,espressobin-ultra", "marvell,armada3720",
-		     "marvell,armada3710";
+	compatible = "globalscale,espressobin-ultra", "globalscale,espressobin",
+		     "marvell,armada3720", "marvell,armada3710";
 
 	aliases {
 		/* ethernet1 is WAN port */