Add remark on qsys update.

doc/erko_howto_tools.txt

@@ -142,7 +142,9 @@ during tb simulation load --> fixed by "sudo chmod a+w -R modelsim_altera_libs/1
 
    lofar2 unb2c
    . ls -lt build/unb2c/quartus/lofar2_unb2c_sdp_station_full/ip/qsys_lofar2_unb2c_sdp_station/*.ip
-   . cp -p build/unb2c/quartus/lofar2_unb2c_sdp_station_full/ip/qsys_lofar2_unb2c_sdp_station/*.ip applications/lofar2/designs/lofar2_unb2c_sdp_station/quartus/ip/qsys_lofar2_unb2c_sdp_station/
+   . cp -p build/unb2c/quartus/lofar2_unb2c_sdp_station/ip/qsys_lofar2_unb2c_sdp_station/*.ip applications/lofar2/designs/lofar2_unb2c_sdp_station/quartus/ip/qsys_lofar2_unb2c_sdp_station/
+     --> Hover on peripheralinstance in QSYS GUI to see whether ip path is in base design or in revision design
+     --> After commiting the new or modified ip files rerun quartus_config (and first delete the design build dir for lofar2_unb2c_sdp_station_full and lofar2_unb2c_sdp_station)
    . cp -p build/unb2c/quartus/lofar2_unb2c_sdp_station_full/qsys_lofar2_unb2c_sdp_station.qsys applications/lofar2/designs/lofar2_unb2c_sdp_station/quartus
 
    lofar2 unb2b
@@ -179,6 +181,14 @@ run_qcomp unb2c unb2c_test_ddr_16G --clk=CLK
 run_rbf unb2c unb2c_test_ddr_16G
 ==> All in one: build_image unb2c unb2c_test --rev=unb2c_test_ddr_16G --seed=1,2
 
+quartus_config unb2c
+run_qsys_pro unb2c unb2c_test_ddr_16G_I
+gen_rom_mmap.py --avalon -d unb2c_test -r unb2c_test_ddr_16G_I
+run_reg unb2c unb2c_test_ddr_16G_I
+run_qcomp unb2c unb2c_test_ddr_16G_I --clk=CLK
+run_rbf unb2c unb2c_test_ddr_16G_I
+==> All in one: build_image unb2c unb2c_test --rev=unb2c_test_ddr_16G_I --seed=1,2
+
 # Run command line synthesis for dts, l2ts
 quartus_config unb2c
 run_qsys_pro unb2c lofar2_unb2c_sdp_station_full