IntelSiliconPkg-VTd: Fixed a ECC Error

The function has NO comment immediately preceding it.
Need to remove the space between the function and the comment

Signed-off-by: Evelyn Wang <iwen.evelyn.wang@intel.com>
Cc: Jenny Huang <jenny.huang@intel.com>
Cc: More Shih <more.shih@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Sai Chaganty <rangasai.v.chaganty@intel.com>
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>