- Add the right includes to use kmem_alloc(). This was broken by my

DPCPU commit.
Reported by:	bz

sys/powerpc/powerpc/mp_machdep.c

@@ -37,6 +37,13 @@ __FBSDID("$FreeBSD$");
 #include <sys/sched.h>
 #include <sys/smp.h>
 
+#include <vm/vm.h>
+#include <vm/vm_param.h>
+#include <vm/pmap.h>
+#include <vm/vm_map.h>
+#include <vm/vm_extern.h>
+#include <vm/vm_kern.h>
+
 #include <machine/bus.h>
 #include <machine/cpu.h>
 #include <machine/intr_machdep.h>