qt: fix qt symlinks to arago classes

- not sure if we need them anymore
linux-kernel: update kernel to use built in ppp drivers

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
packagegroup-pia-qte: make qwt an recommendation for screen bases systems

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
ti-compat-wireless: clone older arago version that works better with 3.2

- modified arago recipe, the current version does not compile with our
  kernel. This one needds modifications as well and is work in progress.

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
ntpdate: add default ntpdate config with hwclock update

- on systems that are not shutdown cleanly it's better to update the
  RTC when running ntpdate to synchronize the clock.

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>