ogc-sdl-2.28.5-8

Initial release of wii and gamecube sdl2 port.

• Wii on dkp by @mardy in #36
• Add renderer module by @mardy in #37
• ogc: rework audio driver to avoid clicks and gaps by @mardy in #38
• Implement rendering of mouse cursors by @mardy in #39
• ogc: flush cache when updating textures by @mardy in #40
• ogc: do not create a new mouse cursor at every frame by @mardy in #41
• ogc: implement SDL_GetBasePath() using getcwd() by @mardy in #42
• ogc: apply viewport scale in QueueGeometry by @mardy in #43
• ogc: always give focus to the window by @mardy in #44
• Add workflows for wii & cube by @WinterMute in #46
• ogc: support rendering to transparent textures by @mardy in #47
• ogc: Do't use 0x0000 as a product ID for the joysticks by @mardy in #50
• ogc: set fullscreen height to EFB's height by @mardy in #48
• ogc: ignore source alpha with blend mode "none" by @mardy in #49
• Viewport fixes by @mardy in #51
• ogc: add libogc link flags to pkg-config file by @mardy in #52