fix(dolphin): fix dolphin emulator on x86/x64
requested to merge cpasjuste/recalbox:1027-fix-dolphin-emu into 1034-fix-dolphin-fix-dolphin-emulator
This MR fix dolphin emulator on x86/x64 plateforms
Changes :
- fix dolphin emulator compilation (patch cmake version, enable qt5 backend)
- switch matchbox window manager for ratpoison (fix qt5 dialogs)
Edited by strodown