UefiCpuPkg/PiSmmCpu: Update function call for 2 new APIs.

All page table allocation will use AllocatePageTableMemory().
Add SmmCpuFeaturesCompleteSmmReadyToLock() to PerformRemainingTasks()
and PerformPreTasks().

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Yao, Jiewen" <jiewen.yao@intel.com>
Reviewed-by: "Kinney, Michael D" <michael.d.kinney@intel.com>
Cc: "Fan, Jeff" <jeff.fan@intel.com>
Cc: "Kinney, Michael D" <michael.d.kinney@intel.com>
Cc: "Laszlo Ersek" <lersek@redhat.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18981 6f19259b-4bc3-4df7-8a09-765794883524

UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h

@@ -718,4 +718,25 @@ VOID
 DumpModuleInfoByIp (
   IN  UINTN              CallerIpAddress
   );
+
+/**
+  This API provides a way to allocate memory for page table.
+
+  This API can be called more once to allocate memory for page tables.
+
+  Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns a pointer to the
+  allocated buffer.  The buffer returned is aligned on a 4KB boundary.  If Pages is 0, then NULL
+  is returned.  If there is not enough memory remaining to satisfy the request, then NULL is
+  returned.
+
+  @param  Pages                 The number of 4 KB pages to allocate.
+
+  @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+AllocatePageTableMemory (
+  IN UINTN           Pages
+  );
+
 #endif