feat(rmm): modify rsi_log_on_exit()

Parameter 'exit_to_rec' of 'rsi_log_on_exit()'
function removed, and all return values are now
get printed regardless of RSI command returning
to Host or back to the REC.

Signed-off-by: AlexeiFedorov <Alexei.Fedorov@arm.com>
Change-Id: Icc21bd79ee716bbc9be50c34321653ef686d98ce