First milestone: usable cellphone

• work with PDS by BP request ( implement pdsd )
• work with SIM ( simd
• minimal GSM functionality: initiate,end,reject calls ( implement gsmd )
• somewhow integrate SIM and GSM with qtopia
• switch audio route to BP during voice call ( audioplugin )
• show battery status ( update power_ic interface )
• show and manage connected cables ( port motod )
• charging ( port motod )
• LCD backlight control ( update custom.cpp. see mxcfb.c for reference )