Wiring up xex loading via the new virtual filesystem.

File resolution is hacked, but works well enough for testing.

include/xenia/kernel/fs/device.h

@@ -23,13 +23,17 @@ namespace fs {
 
 class Device {
 public:
-  Device(xe_pal_ref pal);
+  Device(xe_pal_ref pal, const char* path);
   virtual ~Device();
 
+  xe_pal_ref pal();
+  const char* path();
+
   virtual Entry* ResolvePath(const char* path) = 0;
 
 protected:
-  xe_pal_ref pal_;
+  xe_pal_ref  pal_;
+  char*       path_;
 };