bluez4: Added .bbappend to patch bluez4 to work with the openpandora and the patches

The patches are a hciattach tialt speed change function implementation (to be upstreamed)
And a hciattach firmware search path change.
Merge pull request #8 from urjaman/v2012.12

bluez4: Added .bbappend to patch bluez4 to work with the openpandora and...