[Mammoth] Move remaining classes to a shared folder.

sys/teton/framebuffer/console.cpp

@@ -1,6 +1,6 @@
 #include "framebuffer/console.h"
 
-#include <mammoth/debug.h>
+#include <mammoth/util/debug.h>
 
 void Console::WriteChar(char c) {
   if (c == '\n') {

sys/teton/framebuffer/framebuffer.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <mammoth/memory_region.h>
+#include <mammoth/util/memory_region.h>
 #include <yellowstone/yellowstone.yunq.h>
 
 class Framebuffer {

sys/teton/framebuffer/psf.cpp

@@ -1,7 +1,7 @@
 #include "framebuffer/psf.h"
 
 #include <glacier/memory/move.h>
-#include <mammoth/debug.h>
+#include <mammoth/util/debug.h>
 
 namespace {
 

sys/teton/framebuffer/psf.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <mammoth/memory_region.h>
+#include <mammoth/util/memory_region.h>
 
 struct PsfHeader {
   uint32_t magic;         /* magic bytes to identify PSF */