UefiCpuPkg/Application/Cpuid: Change DisplayFamily/DisplayModel type

UefiCpuPkg/Application/Cpuid: Change DisplayFamily/DisplayModel type

Change DisplayFamily/DisplayModel type to UINT32 to avoid different size in
bitwise operation.

Cc: Qiu Shumin <shumin.qiu@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Qiu Shumin <shumin.qiu@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>