jflte: enable smartcover

if you dont have a smart cover but want to test it,
issue the following commands as root while beeing on the keyguard

am broadcast -a "android.intent.action.LID_STATE_CHANGED" --ei "state" 0

state 0 means closed, state 1 means opened.

Change-Id: I303e972ab9dd62b1013d791d821fb16b2f9cdf60