Add "b" to ephemeral mapping for hvm
Add "b" to ephemeral mapping for hvm

Change-Id: I8378b72fb17645a56869601cb8646890dc614f98

sjones4/eutester,nephomaniac/eutester,shaon/eutester,sjones4/eutester,tbeckham/eutester,nagyistoce/eutester,shaon/eutester,tbeckham/eutester,shaon/eutester,nephomaniac/eutester,sjones4/eutester,sjones4/eutester,nagyistoce/eutester,tbeckham/eutester,nephomaniac/eutester,nephomaniac/nephoria,nephomaniac/nephoria,nagyistoce/eutester,nagyistoce/eutester,tbeckham/eutester,shaon/eutester