I tried the new code(didn't change firmware though) and it seems to have a problem activating. After telneting in it looks ok but from a minicom console I'd previously seen a non 902.3MHz freq listed.
Here's the telnet output upon connecting:

LoRaWanGateway
Configuration
GW_HOSTNAME "lorawangw"
GW_ROUTER "router.us.thethings.network"
GW_FREQ 902300000
GW_BW "BW125"
GW_SF "ALL"
GW_LAT "32.79242"
GW_LON "-117.24457"
GW_ALT 2
GW_NSS 0
GW_DIO0 8
GW_DIO1 1
Statistics
Uptime 0 days, 0 hours, 3 minutes, 1 seconds
Memory free 9568 bytes
Rx packets 0
Rx packets OK 0
Rx timeouts 7
Rx forwarded 0
Tx packets 0
Tx packets sent 0
Ack ratio 100.0% (40/40)