hwc: Clean up scattered definitions of commonly used constants/values

Clean up scattered definitions of commonly used constants/values.
There is no need in re-defining these in several places.

Change-Id: I22c082b56646cb02d5ae4733d110afc81aaff50a
diff --git a/libqdutils/mdp_version.cpp b/libqdutils/mdp_version.cpp
index 48f7cb7..a064317 100644
--- a/libqdutils/mdp_version.cpp
+++ b/libqdutils/mdp_version.cpp
@@ -29,6 +29,7 @@
 #include <cutils/log.h>
 #include <linux/msm_mdp.h>
 #include "mdp_version.h"
+#include "qd_utils.h"
 
 #define DEBUG 0
 
@@ -146,7 +147,6 @@
 void  MDPVersion::updatePanelInfo() {
     FILE *displayDeviceFP = NULL;
     FILE *panelInfoNodeFP = NULL;
-    const int MAX_FRAME_BUFFER_NAME_SIZE = 128;
     char fbType[MAX_FRAME_BUFFER_NAME_SIZE];
     const char *strCmdPanel = "mipi dsi cmd panel";
     const char *strVideoPanel = "mipi dsi video panel";