Merge pull request #4190 from netzimme/patch-1

LPC4088: Enable LWIP feature

Author: theotherjimmy

targets/targets.json

@@ -347,6 +347,7 @@
             "function": "LPC4088Code.binary_hook"
         },
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "DEBUG_AWARENESS", "ERROR_PATTERN", "ETHERNET", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
+        "features": ["LWIP"],
         "device_name": "LPC4088FBD144"
     },
     "LPC4088": {