Since GPSD 2.30 is not compatible with Kismet I've compiled 2.10 which is the last version before the baud-matching logic was introduced and seems to be the most stable with Kismet. It's compiled for NMEA and should install without issues as it's a single binary.
Check it out here.
http://www.frontiernet.net/~beakmyn/ope … mipsel.ipk
Below contains the source ready to go