GTA04 config: enable old style wireless extensions to make iwconfig and iwlist work with this kernel

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
GTA04: removed omapfb configs, default display and mux= from the standard bootargs.txt since we dont need them any more in DT based kernels

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>