taxonomy: Add Samsung, Sony, and Vizio OUIs.

Change-Id: I3e67b7f5b9585a0e3023908eaeeec892ababfcc8
diff --git a/taxonomy/ethernet.py b/taxonomy/ethernet.py
index 85a4522..f20c209 100644
--- a/taxonomy/ethernet.py
+++ b/taxonomy/ethernet.py
@@ -192,12 +192,14 @@
     '10:30:47': ['samsung'],
     '14:32:d1': ['samsung'],
     '14:49:e0': ['samsung'],
+    '18:21:95': ['samsung'],
     '18:22:7e': ['samsung'],
     '20:55:31': ['samsung'],
     '20:6e:9c': ['samsung'],
     '24:4b:81': ['samsung'],
     '28:27:bf': ['samsung'],
     '28:ba:b5': ['samsung'],
+    '2c:0e:3d': ['samsung'],
     '2c:ae:2b': ['samsung'],
     '30:19:66': ['samsung'],
     '34:23:ba': ['samsung'],
@@ -236,10 +238,12 @@
     '94:35:0a': ['samsung'],
     '94:b1:0a': ['samsung'],
     'a0:0b:ba': ['samsung'],
+    'a4:08:ea': ['samsung'],
     'a8:06:00': ['samsung'],
     'ac:36:13': ['samsung'],
     'ac:5f:3e': ['samsung'],
     'b0:47:bf': ['samsung'],
+    'b0:c5:59': ['samsung'],
     'b0:df:3a': ['samsung'],
     'b0:ec:71': ['samsung'],
     'b4:07:f9': ['samsung'],
@@ -273,6 +277,7 @@
     'f0:25:b7': ['samsung'],
     'f4:09:d8': ['samsung'],
     'f8:04:2e': ['samsung'],
+    'fc:19:10': ['samsung'],
     'fc:f1:36': ['samsung'],
 
     '00:d9:d1': ['sony'],
@@ -281,9 +286,11 @@
     '40:b8:37': ['sony'],
     '58:48:22': ['sony'],
     'b4:52:7e': ['sony'],
+    'f8:d0:ac': ['sony'],
 
     '10:08:c1': ['toshiba'],
 
+    '00:6b:9e': ['vizio'],
     'a4:8d:3b': ['vizio'],
 
     'b4:79:a7': ['wink'],