arm64: dts: imx8mm: Fix typo in license text for Engicam boards

Fix the Amarula Solutions typo mistake in license text for Engicam
i.MX8M boards add in below commits.

commit <60ac3526> ("arm64: dts: imx8mm: Add Engicam i.Core MX8M
Mini SoM")
commit <aec8ad34> ("arm64: dts: imx8mp: Add Engicam i.Core MX8M
Plus EDIMM2.2 Starter Kit")
commit <eefe06b2> ("arm64: dts: imx8mp: Add Engicam i.Core MX8M
Plus SoM")
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mm-icore-mx8mm.dtsi

@@ -2,7 +2,7 @@
 /*
  * Copyright (c) 2018 NXP
  * Copyright (c) 2019 Engicam srl
- * Copyright (c) 2020 Amarula Solutons(India)
+ * Copyright (c) 2020 Amarula Solutions(India)
  */
 
 / {

arch/arm64/boot/dts/freescale/imx8mp-icore-mx8mp-edimm2.2.dts

@@ -2,7 +2,7 @@
 /*
  * Copyright (c) 2018 NXP
  * Copyright (c) 2019 Engicam srl
- * Copyright (c) 2020 Amarula Solutons(India)
+ * Copyright (c) 2020 Amarula Solutions(India)
  */
 
 /dts-v1/;

arch/arm64/boot/dts/freescale/imx8mp-icore-mx8mp.dtsi

@@ -2,7 +2,7 @@
 /*
  * Copyright (c) 2018 NXP
  * Copyright (c) 2019 Engicam srl
- * Copyright (c) 2020 Amarula Solutons(India)
+ * Copyright (c) 2020 Amarula Solutions(India)
  */
 
 / {