Here's a tune file for a 1.6 SIDI using the same E80A ECU. Compare to base in the tune history for the stock file.
log9_stock_run is the stock file, while log8 is with the changes. The tune had a few revisions afterwards, don't have the log for that.
In the tuned log, look at the desired boost vs intake manifold absolute pressure. Desired 255 kPa vs received 229 kPa at 90% duty cycle. (Timestamp 01:59.790).
This is approaching the limit, could squeeze out a few kPa more but that's about it. The car is stock with the catalytic converter and so on.
log8.hpl
log9_stock_run.hpl
Astra K 2017 1.6T 200hp Tuned.hpt