stos: init: Initialize PBI imager manager

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

paw/stos/init/init.c

@@ -7,6 +7,7 @@
  */
 
 #include <ex/trace.h>
+#include <ex/pbi.h>
 #include <ke/stos.h>
 #include <ke/bpal.h>
 #include <hal/serial.h>
@@ -58,4 +59,7 @@ KiKernelEntry(VOID)
 
     /* Phase 1 initialization the bootstrap core */
     HalKpcrP1Init(&BootstrapCore);
+
+    /* Initialize the pre-boot image manager */
+    ExPbiInit();
 }