set timeout to 5s and max retries to 3

Author: fabik111

variants/EDGE_CONTROL/conf/mbed_app.json

@@ -20,7 +20,8 @@
 			"cellular.at-handler-buffer-size": 1024,
 			"mbed-trace.enable": true,
 			"target.mbed_app_start": "0x10000",
-			"nsapi.dns-response-wait-time": 2000
+			"nsapi.dns-response-wait-time": 5000,
+			"nsapi.dns-total-attempts": 3
 		},
 		"EDGE_CONTROL": {
 			"sd.SPI_MOSI": "P0_20",

variants/GIGA/conf/mbed_app.json

@@ -11,7 +11,8 @@
       "rtos.main-thread-stack-size": 32768,
       "cordio.max-connections": 5,
       "target.mbed_app_start": "0x8040000",
-      "nsapi.dns-response-wait-time": 2000,
+      "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

@@ -12,7 +12,8 @@
       "rtos.main-thread-stack-size": 32768,
       "cordio.max-connections": 5,
       "target.mbed_app_start": "0x8040000",
-      "nsapi.dns-response-wait-time": 2000,
+      "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

@@ -11,7 +11,8 @@
       "rtos.main-thread-stack-size": 32768,
       "cordio.max-connections": 5,
       "target.mbed_app_start": "0x8040000",
-      "nsapi.dns-response-wait-time": 2000,
+      "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

@@ -14,7 +14,8 @@
       "cellular.offload-dns-queries": true,
       "cellular.at-handler-buffer-size": 512,
       "mbed-trace.enable": true,
-      "nsapi.dns-response-wait-time": 2000,
+      "nsapi.dns-response-wait-time": 5000,
+      "nsapi.dns-total-attempts": 3,
       "target.mbed_app_start": "0x8040000",
       "target.macros_add": [
         "BT_UART_NO_3M_SUPPORT",