hv: drop the temperory stack for AP startup

By switching AP wakeup from broadcast to one by one, we could
set correct stack for each AP and drop the temp stack used during
AP boot.

Tracked-On: #2034
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>

hypervisor/include/arch/x86/init.h

@@ -9,6 +9,6 @@
 #define SP_BOTTOM_MAGIC    0x696e746cUL
 
 void bsp_boot_init(void);
-void cpu_secondary_init(void);
+void init_secondary_cpu(void);
 
 #endif /* INIT_H*/