Platform/Vlv2TbltDevicePkg: Add VariablePolicy resolutions

https://bugzilla.tianocore.org/show_bug.cgi?id=2744



Add resolutions for
- VariablePolicyLib
- VariablePolicyHelperLib
- VariablePolicyLib (DXE_RUNTIME_DRIVER)

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