ARM: dts: stm32: Fix typo in license text for Engicam boards

Fix the Amarula Solutions typo mistake in license text added in below
commits.

commit <3ff0810f> ("ARM: dts: stm32: Add Engicam i.Core STM32MP1
C.TOUCH 2.0 10.1" OF")
commit <6ca2898d> ("ARM: dts: stm32: Add Engicam i.Core STM32MP1
C.TOUCH 2.0")
commit <adc04961> ("ARM: dts: stm32: Add Engicam i.Core STM32MP1
EDIMM2.2 Starter Kit")
commit <30f9a9da> ("ARM: dts: stm32: Add Engicam i.Core STM32MP1
SoM")
commit <1d278204> ("ARM: dts: stm32: Add Engicam MicroGEA STM32MP1
MicroDev 2.0 7" OF")
commit <f838dae7> ("ARM: dts: stm32: Add Engicam MicroGEA STM32MP1
MicroDev 2.0 board")
commit <0be81dfa> ("ARM: dts: stm32: Add Engicam MicroGEA STM32MP1
SoM")

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>