stos: mm: Add PMM groundwork

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

paw/stos/init/init.c

@@ -11,6 +11,7 @@
 #include <ke/bpal.h>
 #include <hal/serial.h>
 #include <drivers/bootvid/fbio.h>
+#include <mm/pmm.h>
 #include <stdef.h>
 
 #define DTRACE(Fmt, ...) \
@@ -43,4 +44,7 @@ KiKernelEntry(VOID)
 
     /* Init bootcons */
     BootVidInitCons(NULL);
+
+    /* Initialize physical memory */
+    MmInitPmm();
 }