sdutil Initialize CHS too (some BIOSes dont like it), libfat Add update callback function

libfat/_fatctx.h

@@ -1,6 +1,8 @@
 #ifndef _KERNEL_FS_FATFS_CTX_H
 #define _KERNEL_FS_FATFS_CTX_H
 
+#include <stddef.h>
+
 struct fatfs_ctx {
   FL_FILE _files[FATFS_MAX_OPEN_FILES];
   int _filelib_init;
@@ -9,6 +11,7 @@ struct fatfs_ctx {
   struct fat_list _open_file_list;
   struct fat_list _free_file_list;
   char device_name[0x100];
+  void (*update_cb) (size_t sector, size_t sector_count);
 };
 
 #endif // _KERNEL_FS_FATFS_CTX_H