hwc: split display: Allow FB to acquire any pipe

In the high res, partial mdp comp, we may end up using all rgb pipes
before fb is configured. Let fb use TYPE_ANY, so that pipes are
searched for starting with RGB, VG, DMA.

Change-Id: Ie30992f9ad56b83b3411ab4f6bea2bb317bb0ef1
diff --git a/libhwcomposer/hwc_fbupdate.cpp b/libhwcomposer/hwc_fbupdate.cpp
index 8707edf..aa6bb7f 100644
--- a/libhwcomposer/hwc_fbupdate.cpp
+++ b/libhwcomposer/hwc_fbupdate.cpp
@@ -231,15 +231,15 @@
         ovutils::Whf info(hnd->width, hnd->height,
                           ovutils::getMdpFormat(hnd->format), hnd->size);
 
-        //Request left RGB pipe
-        ovutils::eDest destL = ov.nextPipe(ovutils::OV_MDP_PIPE_RGB, mDpy);
+        //Request left pipe
+        ovutils::eDest destL = ov.nextPipe(ovutils::OV_MDP_PIPE_ANY, mDpy);
         if(destL == ovutils::OV_INVALID) { //None available
             ALOGE("%s: No pipes available to configure fb for dpy %d's left"
                     " mixer", __FUNCTION__, mDpy);
             return false;
         }
-        //Request right RGB pipe
-        ovutils::eDest destR = ov.nextPipe(ovutils::OV_MDP_PIPE_RGB, mDpy);
+        //Request right pipe
+        ovutils::eDest destR = ov.nextPipe(ovutils::OV_MDP_PIPE_ANY, mDpy);
         if(destR == ovutils::OV_INVALID) { //None available
             ALOGE("%s: No pipes available to configure fb for dpy %d's right"
                     " mixer", __FUNCTION__, mDpy);