Acpica 201404

This series contains patches detected as divergences in 20140424 release.
1. acpisrc: Add LPIT table conversions. …  : acpisrc need to be modified to work with LPIT new structures during the release process.
2. Executer: Fix buffer allocation issue for GenericSerialBus region fie… …  : This patch has already been accepted by Linux, so it's better we can merge it before merging other 201405 patches.