Vlv2Tbl2DevicePkg: Convert BAT/sh Build scripts to Python

Convert Build_IFWI and bld_vlv BAT/sh scripts to OS
independent python script PreBuild.py.  This script
generates the BiosId file.  Standard EDK II build
commands are used to build FW images and capsules.

* Sample VS2015x86 commands for IA32/X64 and DEBUG/RELEASE
  build -a IA32 -a X64 -t VS2015x86 -p Vlv2TbltDevicePkg\PlatformPkgX64.dsc
  build -a IA32 -a X64 -t VS2015x86 -p Vlv2TbltDevicePkg\PlatformPkgX64.dsc
  build -a IA32        -t VS2015x86 -p Vlv2TbltDevicePkg\PlatformPkgIA32.dsc
  build -a IA32        -t VS2015x86 -p Vlv2TbltDevicePkg\PlatformPkgIA32.dsc

* Sample GCC5 commands for IA32/X64 and DEBUG/RELEASE
  build -a IA32 -a X64 -n 5 -t GCC5 -p Vlv2TbltDevicePkg/PlatformPkgX64.dsc
  build -a IA32 -a X64 -n 5 -t GCC5 -p Vlv2TbltDevicePkg/PlatformPkgX64.dsc
  build -a IA32        -n 5 -t GCC5 -p Vlv2TbltDevicePkg/PlatformPkgIA32.dsc
  build -a IA32        -n 5 -t GCC5 -p Vlv2TbltDevicePkg/PlatformPkgIA32.dsc

Cc: Zailiang Sun <zailiang.sun@intel.com>
Cc: Yi Qian <yi.qian@intel.com>
Cc: Gary Lin <glin@suse.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Zailiang Sun <zailiang.sun@intel.com>
Reviewed-by: Gary Lin <glin@suse.com>