taxonomy: add Galaxy Note 5 and others

Add signatures:
+ Samsung Galaxy Note 5
+ Moto E (2nd generation)
+ Moto G
+ Moto X 2014
+ Moto X Style
+ iPhone 4

Update signatures:
+ Chromebook Pixel 2

Change-Id: Idb933f62fbc668f9979d1239475c873fa5716b5d
2 files changed