samples/modules/chre: Support picolibc %p for NULL pointers
glibc and newlib print "(nil)" for NULL pointers while picolibc just prints
"0". Allow either by replacing the exact "(nil)" match with ".*" instead
@@ -18,7 +18,7 @@ tests:
- "D: Instance ID 1 assigned to app ID 0x0000000000000001.*"
- "EchoApp::nanoappStart\\(\\)"
- "EchoApp::nanoappHandleEvent\\(sender_instance_id=0, event_type=1,
- event_data@\\(nil\\)\\)"
+ event_data@(\\(nil\\))|0\\)"
- "Event \\(1\\) complete!"
- "EchoApp::nanoappEnd\\(\\)"
- "I: Exiting EventLoop.*"
