Hello,I'm new to the linux stuff, so i folowed the tutorial : create hello world application to the key.At the end of:https://wiki.st.com/stm32mpu/wiki/Getting_started/STM32MP1_boards/STM32MP157x-DK2/Develop_on_Arm%C2%AE_Cortex%C2%AE-A7/Create_a_simp...