fix no select button

Change-Id: I142d48156e166f9e5e7f3ad7c89c1829dbe2009a
diff --git a/ui.c b/ui.c
index 644ea96..4426d97 100644
--- a/ui.c
+++ b/ui.c
@@ -29,7 +29,7 @@
 #include "minui/minui.h"
 #include "recovery_ui.h"
 
-#ifdef KEY_POWER_IS_SELECT_ITEM
+#ifdef BOARD_HAS_NO_SELECT_BUTTON
 static int gShowBackButton = 1;
 #else
 static int gShowBackButton = 0;