On KW24D and NCS36510 default to smaller Nanostack configuration

These boards do not fit the full Nanostack, so we need to select
6LoWPAN-ND as a default.

Author: Seppo Takalo

features/nanostack/mbed-mesh-api/mbed_lib.json

@@ -109,5 +109,14 @@
             "help": "Commissioning security policy bits [0-0xFF]",
             "value": 255
         }
+    },
+    "target_overrides": {
+        "KW24D": {
+            "mbed-mesh-api.use-malloc-for-heap": true,
+            "mbed-mesh-api.heap-size": 14000
+        },
+        "NCS36510": {
+            "mbed-mesh-api.heap-size": 14000
+        }
     }
 }

features/nanostack/sal-stack-nanostack/mbed_lib.json

@@ -6,5 +6,13 @@
             "value": "nanostack_full"
         }
     },
-    "macros": ["NS_USE_EXTERNAL_MBED_TLS"]
+    "macros": ["NS_USE_EXTERNAL_MBED_TLS"],
+    "target_overrides": {
+        "KW24D": {
+            "nanostack.configuration": "lowpan_router"
+        },
+        "NCS36510": {
+            "nanostack.configuration": "lowpan_router"
+        }
+    }
 }

features/netsocket/mbed_lib.json

@@ -29,5 +29,13 @@
             "help": "Number of cached host name resolutions",
             "value": 3
         }
+    },
+    "target_overrides": {
+        "KW24D": {
+            "nsapi.default-mesh-type": "LOWPAN"
+        },
+        "NCS36510": {
+            "nsapi.default-mesh-type": "LOWPAN"
+        }
     }
 }

tools/test_configs/target_configs.json

@@ -42,5 +42,9 @@
     "NUCLEO_F401RE": {
         "default_test_configuration": "NONE",
         "test_configurations": ["IDW0XX1_WIFI"]
+    },
+    "KW24D": {
+        "default_test_configuration": "6LOWPAN_HOST",
+        "test_configurations": ["6LOWPAN_HOST", "6LOWPAN_ROUTER", "THREAD_END_DEVICE", "THREAD_ROUTER"]
     }
 }