qdutils: Parse rotator downscale feature

Parse rotator downscale feature from the capabilities sysfs node

Change-Id: I346a20d4879682e115eb2f8f74afd41dca31e930
diff --git a/libqdutils/mdp_version.h b/libqdutils/mdp_version.h
index b2987d2..6c4a3f4 100644
--- a/libqdutils/mdp_version.h
+++ b/libqdutils/mdp_version.h
@@ -139,6 +139,7 @@
     bool needsROIMerge() { return mPanelInfo.mNeedsROIMerge; }
     unsigned long getLowBw() { return mLowBw; }
     unsigned long getHighBw() { return mHighBw; }
+    bool isRotDownscaleEnabled() { return mRotDownscale; }
     bool isSrcSplit() const;
     bool isSrcSplitAlways() const;
     bool isRGBScalarSupported() const;
@@ -175,6 +176,7 @@
     //Additional property on top of source split
     bool mSourceSplitAlways;
     bool mRGBHasNoScalar;
+    bool mRotDownscale;
 };
 }; //namespace qdutils
 #endif //INCLUDE_LIBQCOMUTILS_MDPVER