Code cleanup; make several boards compile & link.
diff --git a/include/configs/sacsng.h b/include/configs/sacsng.h
index 4411a11..0e6be34 100644
--- a/include/configs/sacsng.h
+++ b/include/configs/sacsng.h
@@ -446,7 +446,7 @@
 #define CONFIG_BOOT_ROOT_INITRD 0	/* Use ram disk for the root file system */
 #define CONFIG_BOOT_ROOT_NFS	1	/* Use a NFS mounted root file system */
 
-#if CONFIG_BOOT_ROOT_INITRD
+#ifdef CONFIG_BOOT_ROOT_INITRD
 #define CONFIG_BOOTCOMMAND \
 	"version;" \
 	"echo;" \
@@ -457,7 +457,7 @@
 	"bootm"
 #endif /* CONFIG_BOOT_ROOT_INITRD */
 
-#if CONFIG_BOOT_ROOT_NFS
+#ifdef CONFIG_BOOT_ROOT_NFS
 #define CONFIG_BOOTCOMMAND \
 	"version;" \
 	"echo;" \