ls990: Add missing device specific parts

Change-Id: Ib16a9d68a2b604047703537f3c2d513f87e780e5
fixed signal name
bluetooth changes
Revert "fixed signal name"

This reverts commit 9153b9bcaea234f8c397069a286945eaccbdc61e.
fix data/cell

Change-Id: I400e2472d10c675b6c6e5a0a29b0dab74658e099
fixing roaming indicator, round 2

Change-Id: If6afe124ec9ec0839526500f5b256589cd51e443