Merge pull request #76 from pdp7/patch-2

add ID for BeagleBone Black revision B

Author: ladyada

adafruit_platformdetect/constants/boards.py

@@ -190,6 +190,7 @@
         ("A5B", "A335BNLT0A5B"),
         ("A5C", "A335BNLT0A5C"),
         ("A6", "A335BNLT00A6"),
+        ("B", "A335BNLT000B"),
         ("C", "A335BNLT000C"),
         ("C", "A335BNLT00C0"),
     ),