Merge pull request ARMmbed#11020 from OpenNuvoton/nuvoton_wakeup_latency

Nuvoton: Enlarge required deep sleep latency

Author: 0xc0170

targets/targets.json

@@ -7518,6 +7518,7 @@
         "bootloader_supported": true,
         "overrides": {
             "network-default-interface-type": "ETHERNET",
+            "deep-sleep-latency": 1,
             "tickless-from-us-ticker": true
         }
     },
@@ -7648,6 +7649,7 @@
         "device_name": "M453VG6AE",
         "bootloader_supported": true,
         "overrides": {
+            "deep-sleep-latency": 1,
             "tickless-from-us-ticker": true
         }
     },
@@ -7715,6 +7717,7 @@
         "release_versions": ["5"],
         "device_name": "NANO130KE3BN",
         "overrides": {
+            "deep-sleep-latency": 1,
             "tickless-from-us-ticker": true
         }
     },
@@ -8132,6 +8135,7 @@
         "bootloader_supported": true,
         "overrides": {
             "network-default-interface-type": "ETHERNET",
+            "deep-sleep-latency": 1,
             "tickless-from-us-ticker": true
         }
     },
@@ -8342,6 +8346,7 @@
             }
         },
         "overrides": {
+            "deep-sleep-latency": 1,
             "mpu-rom-end": "0x1fffffff"
         },
         "inherits": ["Target"],