UefiCpuPkg: Correct some typos.

Correct some typos.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Signed-off-by: Guomin Jiang <guomin.jiang@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchExceptionHandler.c

@@ -17,8 +17,8 @@
 **/
 VOID
 ArchUpdateIdtEntry (
-  IN IA32_IDT_GATE_DESCRIPTOR        *IdtEntry,
-  IN UINTN                           InterruptHandler
+  OUT IA32_IDT_GATE_DESCRIPTOR       *IdtEntry,
+  IN  UINTN                          InterruptHandler
   )
 {
   IdtEntry->Bits.OffsetLow   = (UINT16)(UINTN)InterruptHandler;