HLTE: Add US Cellular carrier to the device tree.

Change-Id: I8157a3302e75498b3971b58148842b0a842df4a0
Merge "HLTE: Add US Cellular carrier to the device tree." into cm-11.0
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_samsung_hlte into cd-4.4