Code cleanup; make several boards compile & link.
diff --git a/lib_i386/board.c b/lib_i386/board.c
index 25ad670..b26d3d5 100644
--- a/lib_i386/board.c
+++ b/lib_i386/board.c
@@ -343,7 +343,7 @@
 	/* Must happen after interrupts are initialized since
 	 * an irq handler gets installed
 	 */
-#if CONFIG_SERIAL_SOFTWARE_FIFO
+#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
 	serial_buffered_init();
 #endif