Code cleanup; make several boards compile & link.
diff --git a/include/ide.h b/include/ide.h
index 3af12c8..dfef32f 100644
--- a/include/ide.h
+++ b/include/ide.h
@@ -38,7 +38,7 @@
 
 #endif /* CONFIG_IDE_LED */
 
-#if CFG_64BIT_LBA
+#ifdef CFG_64BIT_LBA
 typedef uint64_t lbaint_t;
 #else
 typedef ulong lbaint_t;