What's New:
- Add Portal 64 to romset.
- Updated LiveArea Assets
- Cleanup code from PSP remainings and add back HAVE_CUSTOM_HEAP=1.
- Drop no longer required HAVE_CUSTOM_HEAP.
- Added CRT filter post-processing effect.
- Fix compilation on latest vitaGL and vitasdk builds.
- Fix compilation on GCC11 or later.
- Update SCE_POWER_CB_* to latest names
- Improved Russian translation.
- Minor adjustments.