[Base] Split of xbox.h file

- Splitted into: kernel.h and xam.h
- Removed UpdateSpaData from KernelState into ContentManager

src/xenia/kernel/util/guest_object_table.h

@@ -10,7 +10,7 @@
 #ifndef XENIA_KERNEL_UTIL_GUEST_OBJECT_TABLE_H_
 #define XENIA_KERNEL_UTIL_GUEST_OBJECT_TABLE_H_
 
-#include "xenia/xbox.h"
+#include "xenia/kernel/kernel.h"
 
 namespace xe {
 namespace kernel {

src/xenia/kernel/util/native_list.h

@@ -10,8 +10,8 @@
 #ifndef XENIA_KERNEL_UTIL_NATIVE_LIST_H_
 #define XENIA_KERNEL_UTIL_NATIVE_LIST_H_
 
+#include "xenia/kernel/kernel.h"
 #include "xenia/memory.h"
-#include "xenia/xbox.h"
 
 namespace xe {
 namespace kernel {

src/xenia/kernel/util/presence_string_builder.cc

@@ -10,6 +10,8 @@
 #include "xenia/kernel/util/presence_string_builder.h"
 #include "third_party/fmt/include/fmt/format.h"
 
+#include "xenia/base/string.h"
+
 namespace xe {
 namespace kernel {
 namespace util {

src/xenia/kernel/util/xlast.h

@@ -11,6 +11,7 @@
 #define XENIA_KERNEL_UTIL_XLAST_H_
 
 #include <map>
+#include <memory>
 #include <optional>
 #include <string>
 #include <vector>