Vlv2TbltDevicePkg: Fix build failure issue after ECP cleanup

Vlv2TbltDevicePkg: Fix build failure issue after ECP cleanup

Moved stuff in the three old packages IA32FamilyCpuPkg, Vlv2BinaryPkg and
Vlv2MiscBinariesPkg into a new package Vlv2SocBinPkg. Updated the build scripts
and added build instructions in Readme.md.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: David Wei <david.wei@intel.com>
Cc: Zailiang Sun <zailiang.sun@intel.com>
Cc: Yi Qian <yi.qian@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>