GBA: More savestate sanitization
GBA: More savestate sanitization

AdmiralCurtiss/mgba,Iniquitatis/mgba,MerryMage/mgba,libretro/mgba,Anty-Lemon/mgba,sergiobenrocha2/mgba,iracigt/mgba,iracigt/mgba,libretro/mgba,jeremyherbert/mgba,Anty-Lemon/mgba,AdmiralCurtiss/mgba,Touched/mgba,Iniquitatis/mgba,libretro/mgba,fr500/mgba,sergiobenrocha2/mgba,mgba-emu/mgba,mgba-emu/mgba,sergiobenrocha2/mgba,Anty-Lemon/mgba,iracigt/mgba,fr500/mgba,libretro/mgba,jeremyherbert/mgba,iracigt/mgba,mgba-emu/mgba,askotx/mgba,askotx/mgba,Anty-Lemon/mgba,libretro/mgba,sergiobenrocha2/mgba,Touched/mgba,Iniquitatis/mgba,askotx/mgba,Touched/mgba,MerryMage/mgba,MerryMage/mgba,mgba-emu/mgba,jeremyherbert/mgba,Iniquitatis/mgba,sergiobenrocha2/mgba,AdmiralCurtiss/mgba,askotx/mgba,fr500/mgba,jeremyherbert/mgba,fr500/mgba