TEMU 3.0.6

Fix SPWROUTER configuration in GR740 configuration file.

Fix SPWROUTER not supporting resets via AMBA port RS bit.

Fix issue with interrupts sometimes being delayed to the next event for SPARC targets.

Fix issue with IRQAMP model missing some registers on the GR740.

Fix issue in binary translator resulting in interpreted delay slots being skipped by accidentally chaining the block to the next.

Improving robustness of some APIs and models with additional null-pointer checks.