[input/linux] - map KEY_BACK to xbmckey backspace - same like we do for android (key back as found on the wetek remote sends KEY_BACK keycode which is not mapped on linux and so isn't usable in openelec on that box)
Merge pull request #5887 from Memphiz/linuxkeyback

[input/linux] - map KEY_BACK to xbmckey backspace - same like we do for ...