arm64: dts: zii-ultra: adjust board names

Change ZII Ultra board names to be more in line with other ZII RDU platforms.
Signed-off-by: Ruslan Sushko <Ruslan.Sushko@zii.aero>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mq-zii-ultra-rmb3.dts

@@ -8,7 +8,7 @@
 #include "imx8mq-zii-ultra.dtsi"
 
 / {
-	model = "ZII i.MX8MQ Ultra RMB3 Board";
+	model = "ZII Ultra RMB3 Board";
 	compatible = "zii,imx8mq-ultra-rmb3", "zii,imx8mq-ultra", "fsl,imx8mq";
 };
 

arch/arm64/boot/dts/freescale/imx8mq-zii-ultra-zest.dts

@@ -8,7 +8,7 @@
 #include "imx8mq-zii-ultra.dtsi"
 
 / {
-	model = "ZII i.MX8MQ Ultra Zest Board";
+	model = "ZII Ultra Zest Board";
 	compatible = "zii,imx8mq-ultra-zest", "zii,imx8mq-ultra", "fsl,imx8mq";
 };