Request another PU to wake up from suspend state.
$ echo pm_request_wakeup <node> <set_address> <address> >
/sys/kernel/debug/zynqmp-firmware/pm
Request another PU to wake up from suspend state.
$ echo pm_request_wakeup <node> <set_address> <address> >
/sys/kernel/debug/zynqmp-firmware/pm