OpenAMP_TTY_echo_wakeup examples don't work.
I'm trying to test the low power modes (I don't care about the current at this point). I start the Next I run this:cd /usr/local/Cube-M4-examples/STM32MP157C-DK2/Applications/OpenAMP/OpenAMP_TTY_echo_wakeup fw_cortex_m4.sh start echo enabled > /sys/d...