bugfix: fix mme address initialization

this and some cleanup, duplicate defs in .h file

openair2/ENB_APP/enb_config.c

@@ -2539,7 +2539,7 @@ int RCconfig_S1(MessageDef *msg_p, uint32_t i) {
             config_get( NETParams,sizeof(NETParams)/sizeof(paramdef_t),aprefix); 
 
 		//		S1AP_REGISTER_ENB_REQ (msg_p).enb_interface_name_for_S1U = strdup(enb_interface_name_for_S1U);
-		cidr = *(NETParams[ENB_INTERFACE_NAME_FOR_S1U_IDX].strptr);
+		cidr = *(NETParams[ENB_IPV4_ADDRESS_FOR_S1_MME_IDX].strptr);
 		address = strtok(cidr, "/");
 
 		S1AP_REGISTER_ENB_REQ (msg_p).enb_ip_address.ipv6 = 0;

openair2/ENB_APP/enb_paramdef.h

@@ -573,11 +573,6 @@ static int DEFENBS[] = {0};
 {ENB_CONFIG_STRING_ENB_IPV4_ADDR_FOR_S1U,                NULL,      0,         strptr:NULL,         defstrval:NULL,      TYPE_STRING,      0},      \
 {ENB_CONFIG_STRING_ENB_PORT_FOR_S1U,                     NULL,      0,         uptr:NULL,           defintval:2152L,     TYPE_UINT,        0}       \
 }   
-#define ENB_INTERFACE_NAME_FOR_S1_MME_IDX          0
-#define ENB_IPV4_ADDRESS_FOR_S1_MME_IDX            1
-#define ENB_INTERFACE_NAME_FOR_S1U_IDX             2
-#define ENB_IPV4_ADDR_FOR_S1U_IDX                  3
-#define ENB_PORT_FOR_S1U_IDX                       4