PSP2: Translate POSIX open modes to SCE open modes
PSP2: Translate POSIX open modes to SCE open modes

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