Fix overlay graphics detection

Change-Id: Ic1ef3f6a4e9c74efb07d8a0103543d124567f0d4
diff --git a/minuitwrp/graphics.c b/minuitwrp/graphics.c
index bd611b3..594592d 100644
--- a/minuitwrp/graphics.c
+++ b/minuitwrp/graphics.c
@@ -246,11 +246,13 @@
         return -1;
     }
 
+#ifdef MSM_BSP
     has_overlay = target_has_overlay(fi.id);
 
-#ifdef MSM_BSP
     if (isTargetMdp5())
         setDisplaySplit();
+#else
+    has_overlay = false;
 #endif
 
     if (!has_overlay) {