Import pci.ids and usb.ids into repository.

* They will be updated by a cron job once per day.

This improves the reproducability of non-current builds, as the ID-files
will no longer change over time.
Temporary build fix for OpenEXR.

* It seems hex floats are not allowed in C++.
* I will fix this more cleanly, but it needs another rebuild of the gcc2
package. Until then, this lets haiku compile.