Fix atcmd_server for ss.

Change-Id: Ia02ecbeab7b2d8a2b4b2c64a2ed26437867bbaf6
diff --git a/marvell/lte-telephony/apps/atcmd_server b/marvell/lte-telephony/apps/atcmd_server
index 5dfd126..2b1b20c 120000
--- a/marvell/lte-telephony/apps/atcmd_server
+++ b/marvell/lte-telephony/apps/atcmd_server
@@ -1 +1 @@
-atcmd_server_ds
\ No newline at end of file
+atcmd_server_ss
\ No newline at end of file