add example configuration using transparent LEO satellite model for rfsimulator

targets/PROJECTS/GENERIC-NR-5GC/CONF/channelmod_rfsimu_LEO_satellite.conf

+channelmod = {
+  max_chan=10;
+  modellist="modellist_rfsimu_1";
+  modellist_rfsimu_1 = (
+    {
+      model_name     = "rfsimu_channel_enB0"
+      type           = "SAT_LEO_TRANS";
+      noise_power_dB = -100;
+    },
+    {
+      model_name     = "rfsimu_channel_ue0"
+      type           = "SAT_LEO_TRANS";
+      noise_power_dB = -100;
+    }
+  );
+};

targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band66.fr1.24PRB.usrpx300.conf

@@ -165,7 +165,8 @@ gNBs =
 
   #ext2
     #ntn_Config_r17
-#      cellSpecificKoffset_r17                                       = 478;
+#      cellSpecificKoffset_r17                                       = 478; # GEO satellite
+#      cellSpecificKoffset_r17                                       = 40; # LEO satellite
   }
 
   );
@@ -255,7 +256,6 @@ rfsimulator :
   serveraddr = "server";
   serverport = 4043;
   options = (); #("saviq"); or/and "chanmod"
-  modelname = "AWGN";
   IQfile = "/tmp/rfsimulator.iqs";
 };
 
@@ -289,3 +289,4 @@ log_config :
   f1ap_log_level                        ="debug";
 };
 
+@include "channelmod_rfsimu_LEO_satellite.conf"

targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band66.fr1.25PRB.usrpx300.conf

@@ -165,7 +165,8 @@ gNBs =
 
   #ext2
     #ntn_Config_r17
-#      cellSpecificKoffset_r17                                       = 478;
+#      cellSpecificKoffset_r17                                       = 478; # GEO satellite
+#      cellSpecificKoffset_r17                                       = 40; # LEO satellite
   }
 
   );
@@ -255,7 +256,6 @@ rfsimulator :
   serveraddr = "server";
   serverport = 4043;
   options = (); #("saviq"); or/and "chanmod"
-  modelname = "AWGN";
   IQfile = "/tmp/rfsimulator.iqs";
 };
 
@@ -289,3 +289,4 @@ log_config :
   f1ap_log_level                        ="debug";
 };
 
+@include "channelmod_rfsimu_LEO_satellite.conf"