angstrom-core-tweaks: enable python support for boost

This works around a problem with using recent meta-ros with this 'old'
Yocto Project 1.5 based setup.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
angstrom.inc: add qtbase PACKAGECONFIG

Enable alsa, webkit and framebuffer support among other things.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>