Vlv2TbltDevicePkg: fix ASSERT_EFI_ERROR() typos
    
    A number of code locations use
    
      ASSERT_EFI_ERROR (BooleanExpression)
    
    instead of
    
      ASSERT (BooleanExpression)
    
    Fix them.
    
    Cc: David Wei <david.wei@intel.com>
    Cc: Tim He <tim.he@intel.com>
    Contributed-under: TianoCore Contribution Agreement 1.0
    Signed-off-by: Laszlo Ersek <lersek@redhat.com>
    Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>
    Reviewed-by: David Wei <david.wei@intel.com>