added unb2b image

applications/lofar2/images/images.txt

@@ -9,6 +9,7 @@ lofar2_unb2b_sdp_station_bf-rc125dfd6d              | 2021-04-21    | R vd Walle
 lofar2_unb2b_sdp_station_bf-r087d98be6              | 2021-06-14    | R vd Walle           | See $UPE_GEAR/peripherals/tc_lofar2_unb2b_beamformer.py
 lofar2_unb2b_sdp_station_xsub_one-r087d98be6        | 2021-06-14    | R vd Walle           | 
 unb2b_minimal-rce6b96eed                            | 2021-08-26    | P. Donker            | unb2b_minimal with new mmap, rbf maid with option --unb2_factory
-lofar2_unb2b_sdp_station_full-r9ff51058a            | 2022-01-12    | R vd Walle           | Lofar2 SDP station full design for UniBoard2b.
+lofar2_unb2b_sdp_station_full-r9ff51058a            | 2022-01-12    | R vd Walle           | Old Lofar2 SDP station full design for UniBoard2b.
+lofar2_unb2b_sdp_station_full-r8d8fc2bd8            | 2022-04-26    | R vd Walle           | Lofar2 SDP station full design for UniBoard2b.
 lofar2_unb2b_sdp_station_full_wg-r241070441         | 2022-04-13    | R vd Walle           | Lofar2 SDP station design without ADC inputs, only WG. Uses dp_clk + dp_pps instead of rx_clk + rx_sysref.
 lofar2_unb2c_sdp_station_full-rb8464ee23            | 2022-04-12    | R vd Walle           | Lofar2 SDP station full design for UniBoard2c.