rename feature to device_has in new target

PR ARMmbed#1881 renamed option in targets.json - this commit is doing the same with the new target

Author: ohagendorf

hal/targets.json

@@ -789,6 +789,21 @@
         "progen": {"target":"nucleo-l011k4"},
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"]
     },
+    "NUCLEO_F767ZI": {
+        "inherits": ["Target"],
+        "core": "Cortex-M7F",
+        "extra_labels": ["STM", "STM32F7", "STM32F767", "STM32F767ZI"],
+        "supported_toolchains": ["ARM", "uARM", "GCC_ARM"],
+        "default_toolchain": "ARM",
+        "progen": { 
+            "target": "nucleo-f767zi",
+            "uvision5": {
+                "template": ["uvision.uvproj.tmpl"]
+            }
+        },
+        "detect_code": ["0799"],
+        "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"]
+    },
     "NUCLEO_L031K6": {
         "inherits": ["Target"],
         "core": "Cortex-M0",