Updated priority of actions after waking from SLEEP.
Created by: silabs-oysteink
Updated assertions (made them more strict).
When waking up from SLEEP, the core could prioritize debug over NMI if an NMI and debug request happened at the same time will in SLEEP. The same could happen for debug_req_i and interrupts. This PR fixes that issue.
Signed-off-by: Oystein Knauserud Oystein.Knauserud@silabs.com