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Propagate FVP changes introduced by these 3 commits:
 - 29fb905d Rework handover interface between BL stages
 - 4112bfa0 Populate BL31 input parameters as per new spec
 - 6871c5d3 Rework memory information passing to BL3-x images

Change-Id: If024f575782d9c74db4cf929a2ab40563921dedd