emunand: Use HOS archive style for rawnand parts

fusee/fusee-secondary/src/fs_dev.c

@@ -300,6 +300,21 @@ int fsdev_unmount_all(void) {
     return 0;
 }
 
+int fsdev_set_attr(const char *file, int attr, int mask) {
+    return fsdev_convert_rc(NULL, f_chmod(file, (BYTE)attr, (BYTE)mask));
+}
+
+int fsdev_get_attr(const char *file) {
+    FILINFO info;
+    FRESULT rc = f_stat(file, &info);
+
+    if (rc == FR_OK) {
+        return info.fattrib;
+    }
+
+    return fsdev_convert_rc(NULL, rc);
+}
+
 /* Adapted from https://github.com/benemorius/openOBC-devboard/blob/bf0a4a33e22d24e7c299f921d185da27377310e0/lib/fatfs/FatFS.cpp#L173 */
 static int fsdev_convert_rc(struct _reent *r, FRESULT rc) {
     int errornumber;