UefiCpuPkg/MpService: avoid reset AP still hold a lock

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16368 6f19259b-4bc3-4df7-8a09-765794883524

UefiCpuPkg/CpuDxe/CpuMp.h

@@ -90,6 +90,7 @@ typedef enum {
 typedef struct {
   EFI_PROCESSOR_INFORMATION      Info;
   SPIN_LOCK                      CpuDataLock;
+  INTN                           LockSelf;
   volatile CPU_STATE             State;
 
   EFI_AP_PROCEDURE               Procedure;