Workaround for the iss's pmp fault
Created by: silabs-krdosvik
Signed-off-by: Kristine Dosvik krdosvik@silabs.com
There is a mismatch between the core and the ISS when NUM_PMP_REGIONS is zero. The ISS reports illegal instruction, while the core access fault. Because it is is a pmp fault the correct error code is access fault. This PR makes a workaround for this scenario.
Passes the ci check.