UefiCpuPkg/MpInitLib: Disable and restore system timer interrupt

We need to disable system timer interrup to avoid generating the pending
interrupt on the old BSP.

Cc: Feng Tian <feng.tian@intel.com>
Cc: Kinney Michael D <michael.d.kinney@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf

@@ -57,6 +57,9 @@
   UefiBootServicesTableLib
   DebugAgentLib
 
+[Protocols]
+  gEfiTimerArchProtocolGuid                     ## SOMETIMES_CONSUMES
+
 [Guids]
   gEfiEventExitBootServicesGuid                 ## CONSUMES  ## Event
   gEfiEventLegacyBootGuid                       ## CONSUMES  ## Event