hwc: Enable source split for targets with single dsi

Enable source split for targets with single dsi. This has the
benefit of using 2 pipes for layers whose width (crop) is higher
than line width.

Change-Id: I147136a3eb786e1af7b63508d65c010e88e358ed
diff --git a/libhwcomposer/hwc_fbupdate.cpp b/libhwcomposer/hwc_fbupdate.cpp
index a58ea07..be0dd13 100644
--- a/libhwcomposer/hwc_fbupdate.cpp
+++ b/libhwcomposer/hwc_fbupdate.cpp
@@ -38,10 +38,9 @@
 namespace ovutils = overlay::utils;
 
 IFBUpdate* IFBUpdate::getObject(hwc_context_t *ctx, const int& dpy) {
-    if(isDisplaySplit(ctx, dpy)) {
-        if(qdutils::MDPVersion::getInstance().isSrcSplit()) {
-            return new FBSrcSplit(ctx, dpy);
-        }
+    if(qdutils::MDPVersion::getInstance().isSrcSplit()) {
+        return new FBSrcSplit(ctx, dpy);
+    } else if(isDisplaySplit(ctx, dpy)) {
         return new FBUpdateSplit(ctx, dpy);
     }
     return new FBUpdateNonSplit(ctx, dpy);