ptos: thread: Initialize the threading subsystem

Signed-off-by: Chloe M. <chloe@mensia.org>

service/ptos/ke/init.c

@@ -135,6 +135,9 @@ KiKernelInit(VOID)
     /* Phase 2 init of bootstrap core */
     HalKpcrP2Init(&BootstrapCore);
 
+    /* Initialize threading */
+    PsThreadInit();
+
     /* Initialize the PBI manager */
     ExPbiInit();