Add LPS28DFW I2C Component

Author: tyeth

components/i2c/lps28dfw/definition.json

@@ -0,0 +1,9 @@
+{
+  "displayName": "LPS28DFW",
+  "vendor": "STMicroelectronics",
+  "productURL": "https://www.adafruit.com/product/6067",
+  "documentationURL": "https://learn.adafruit.com/adafruit-lps28-pressure-sensor",
+  "published": false,
+  "i2cAddresses": [ "0x5C", "0x5D" ],
+  "subcomponents": [ "ambient-temp", "ambient-temp-fahrenheit", "pressure" ]
+}