CloudHv: Disable PcdFirstTimeWakeUpAPsBySipi

Disable PcdFirstTimeWakeUpAPsBySipi to use INIT-SIPI-SIPI sequence to
wakeup APs.

Signed-off-by: Praveen K Paladugu <prapal@linux.microsoft.com>

Author: praveen-pk

OvmfPkg/CloudHv/CloudHvX64.dsc

@@ -577,6 +577,14 @@
 
   gEfiMdeModulePkgTokenSpaceGuid.PcdUse1GPageTable|TRUE
 
+  #
+  # PcdFirstTimeWakeUpAPsBySipi determines whether to employ
+  # SIPI instead of the INIT-SIPI-SIPI sequence during APs
+  # initialization. Deactivate this parameter to preserve
+  # the original execution of INIT-SIPI-SIPI.
+  #
+  gUefiCpuPkgTokenSpaceGuid.PcdFirstTimeWakeUpAPsBySipi|FALSE
+
 ################################################################################
 #
 # Pcd Dynamic Section - list of all EDK II PCD Entries defined by this Platform