Add define for GDB stub
Add define for GDB stub

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