CMake: Load cache if using PRINT_STRING and variable isn't found
CMake: Load cache if using PRINT_STRING and variable isn't found

Iniquitatis/mgba,mgba-emu/mgba,mgba-emu/mgba,Iniquitatis/mgba,libretro/mgba,libretro/mgba,mgba-emu/mgba,Iniquitatis/mgba,libretro/mgba,libretro/mgba,libretro/mgba,Iniquitatis/mgba,mgba-emu/mgba