Fix a typo in nexus5x device template used for unit test.
Fix a typo in nexus5x device template used for unit test.

Change-Id: I8ccd95f348fd55415f2479cb44b1c31f73e09d63

Linaro/lava-server,Linaro/lava-server,Linaro/lava-server,Linaro/lava-server