Added tls-socket example to examples.json

tools/test/examples/examples.json

@@ -70,6 +70,21 @@
       "export": true,
       "auto-update" : true
     },
+    {
+      "name": "mbed-os-example-tls-socket",
+      "github":"https://github.com/ARMmbed/mbed-os-example-tls-socket",
+      "mbed": [
+      ],
+      "test-repo-source": "github",
+      "features" : [],
+      "targets" : ["Freescale_EMAC", "NUVOTON_EMAC", "NXP_EMAC", "RZ_A1_EMAC",
+                   "STM_EMAC"],
+      "toolchains" : [],
+      "exporters": [],
+      "compile" : true,
+      "export": true,
+      "auto-update" : true
+    },
     {
       "name": "mbed-os-example-wifi",
       "github":"https://github.com/ARMmbed/mbed-os-example-wifi",