Correct READMEs of docker-compose files to reflect config mounting

ci-scripts/yaml_files/4g_rfsimulator_fdd_05MHz/README.md

@@ -410,16 +410,33 @@ in HSS config:
             NB_USERS: 10
 ```
 
-in UE config:
+All UE parameter values will be taken from the mounted config file, so modify
+the corresponding UE file to reflect the above changes
 
 ```yaml
-            MCC: '208'
-            MNC: '96'
-            SHORT_IMSI: '0100000001'
-            LTE_KEY: 'fec86ba6eb707ed08905757b1bb44b8f'
-            OPC: 'c42449363bbad02b66d16bc975d77cc1'
-            MSISDN: '001011234561010'
-            HPLMN: 20896
+  oai_ue0:
+        [...]
+        volumes:
+            - ../../conf_files/lteue.usim-ci.conf:/opt/oai-lte-ue/etc/ue_usim.conf
+```
+
+and in the UE file, you should have
+```
+PLMN: {
+    PLMN0: {
+           FULLNAME="OpenAirInterface";
+           SHORTNAME="OAICN";
+           MNC="96";
+           MCC="208";
+    };
+};
+[...]
+    SIM: {
+        MSIN="0100000001";
+        USIM_API_K="fec86ba6eb707ed08905757b1bb44b8f";
+        OPC="c42449363bbad02b66d16bc975d77cc1";
+        MSISDN="001011234561010";
+    };
 ```
 
 As you can see: `LTE_K` and `LTE_KEY` are the same value. And `OP_KEY` and `OPC` can be deduced from each other. Look in HSS logs.
@@ -471,13 +488,19 @@ in SPGW-C/-U configs:
             REALM: openairinterface.org
 ```
 
-in eNB config:
+In eNB, all the parameter values will be taken from the mounted config file.
 
 ```yaml
-            MCC: '208'
-            MNC: '96'
-            MNC_LENGTH: 2
-            TAC: 1
+oai_enb0:
+        [...]
+        volumes:
+            - ../../conf_files/enb.band7.25prb.rfsim.conf:/opt/oai-enb/etc/enb.conf
+```
+
+with the eNB config reading:
+
+```libconfig
+    plmn_list = ( { mcc = 208; mnc = 96; mnc_length = 2; } );
 ```
 
 The values SHALL match, and `TAC` shall match `TAC_0` from MME.