Updating xcode config. (#2198)
Updating xcode config. (#2198)

Changing the xcode platform to just `Native`. This lets xcode handle
all the target stuff, and works regardless of target.
mendsley/bgfx,emoon/bgfx,LWJGL-CI/bgfx,LWJGL-CI/bgfx,bkaradzic/bgfx,jdryg/bgfx,mendsley/bgfx,emoon/bgfx,jdryg/bgfx,LWJGL-CI/bgfx,bkaradzic/bgfx,jdryg/bgfx,LWJGL-CI/bgfx,jdryg/bgfx,bkaradzic/bgfx,emoon/bgfx,bkaradzic/bgfx,mendsley/bgfx