Bumped linux-lappy to 3.17rc2

 - Added hack to get wifi working again.
 - Enabled CONFIG_EXPERT to tweak more stuff.
 - Disabled code for AMD/CENTAUR.
 - Dropped lots of special HID drivers.
 - Dropped lots of RTC drivers.
 - Dropped Speakup (console speech).
 - Lots of misc changes.

Touchscreen is back to not working :-(
Headphones still don't work :-(
Webcam still doesn't work :-(