[Bugfix][T108][bug-view-2106] Add AT CMD *DIAGSWITCH=diag_media,saveflag;diag_media type{USB,SD,TCP,FS}save flag{0,1} to fix RF test error.

    Only Configure: No
    Affected branch: GSW_V1453
    Affected module: log
    Self-test: yes
    Doc Update: no

Change-Id: I6fd4d521a7d0d19ee89bf16a2586366fd557b4d7
diff --git a/marvell/lte-telephony/apps/diag/command_api.c b/marvell/lte-telephony/apps/diag/command_api.c
index 3a541fe..1e54ea2 100644
--- a/marvell/lte-telephony/apps/diag/command_api.c
+++ b/marvell/lte-telephony/apps/diag/command_api.c
@@ -223,7 +223,19 @@
 		sleep(3); // wait for CP to disconnect
 		exit(0);
 	}
-
+           else if (strcasecmp(command,"save") == 0) /* save default media */
+            {
+               ret = getMediaByName(arg);
+              if(ret >= 0)
+              {
+                save_diag_default_media_config(ret);
+                 reply = response_success;
+               }
+              else
+              {
+                reply = response_error;
+               }
+            }
 	(void)sendReply(clients[client_id].fd, reply, reply_arg);
 }