hqd: Add support for 565 macro tile format

Extend macro tile feature support to rgb565 format.

Change-Id: I3d696d1ec66bfd95fcf3d243a1d669cb074da77f
diff --git a/liboverlay/overlayUtils.cpp b/liboverlay/overlayUtils.cpp
index 41efc48..ddba868 100644
--- a/liboverlay/overlayUtils.cpp
+++ b/liboverlay/overlayUtils.cpp
@@ -161,8 +161,7 @@
         case HAL_PIXEL_FORMAT_RGBX_8888:
             return MDP_RGBX_8888_TILE;
         case HAL_PIXEL_FORMAT_RGB_565:
-            // Currenty Driver doesnt support 565 tile format
-            return MDP_RGB_565;
+            return MDP_RGB_565_TILE;
         case HAL_PIXEL_FORMAT_BGRA_8888:
             return MDP_BGRA_8888_TILE;
         case HAL_PIXEL_FORMAT_BGRX_8888: