Merge pull request #82 from LMESTM/NUCLEO_F446ZE

Add NUCLEO_F446ZE detection

Author: PrzemekWirkus

mbed_lstools/lstools_base.py

@@ -87,6 +87,7 @@ def __init__(self):
         "0770": "ST_PLACEHOLDER",
         "0775": "NUCLEO_F303K8",
         "0777": "NUCLEO_F446RE",
+        "0778": "NUCLEO_F446ZE",
         "0780": "ST_PLACEHOLDER",
         "0785": "NUCLEO_F042K6",
         "0788": "DISCO_F469NI",