ShellPkg/UefiShellAcpiViewCommandLib: Fix VS2012 build failure

ShellPkg/UefiShellAcpiViewCommandLib: Fix VS2012 build failure

Fix following build error:
xxx\AcpiParser.c(487) : error C2275: 'UINTN' :
illegal use of this type as an expression
xxx\ProcessorBind.h(224) : see declaration of 'UINTN'
xxx\AcpiParser.c(487) : error C2146: syntax error :
missing ';' before identifier 'OriginalAttribute'
xxx\AcpiParser.c(487) : error C2065: 'OriginalAttribute' :
undeclared identifier
......

cc: Alexei Fedorov <Alexei.Fedorov@arm.com>
cc: Ruiyu Ni <ruiyu.ni@intel.com>
cc: Jaben Carsey <jaben.carsey@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>