Set nsapi dns response timeout to 5s and 3 retries max

Author: fabik111

variants/GIGA/conf/mbed_app.json

@@ -11,6 +11,8 @@
       "rtos.main-thread-stack-size": 32768,
       "cordio.max-connections": 5,
       "target.mbed_app_start": "0x8040000",
+      "nsapi.dns-response-wait-time": 5000,
+      "nsapi.dns-total-attempts": 3,
       "target.macros_add": [
         "METAL_INTERNAL",
         "VIRTIO_DRIVER_ONLY",

variants/NICLA_VISION/conf/mbed_app.json

@@ -12,6 +12,8 @@
       "rtos.main-thread-stack-size": 32768,
       "cordio.max-connections": 5,
       "target.mbed_app_start": "0x8040000",
+      "nsapi.dns-response-wait-time": 5000,
+      "nsapi.dns-total-attempts": 3,
       "target.macros_add": [
         "METAL_INTERNAL",
         "VIRTIO_DRIVER_ONLY",

variants/OPTA/conf/mbed_app.json

@@ -11,6 +11,8 @@
       "rtos.main-thread-stack-size": 32768,
       "cordio.max-connections": 5,
       "target.mbed_app_start": "0x8040000",
+      "nsapi.dns-response-wait-time": 5000,
+      "nsapi.dns-total-attempts": 3,
       "target.macros_add": [
         "METAL_INTERNAL",
         "VIRTIO_DRIVER_ONLY",

variants/PORTENTA_H7_M7/conf/mbed_app.json

@@ -14,6 +14,8 @@
       "cellular.offload-dns-queries": true,
       "cellular.at-handler-buffer-size": 512,
       "mbed-trace.enable": true,
+      "nsapi.dns-response-wait-time": 5000,
+      "nsapi.dns-total-attempts": 3,
       "target.mbed_app_start": "0x8040000",
       "target.macros_add": [
         "BT_UART_NO_3M_SUPPORT",