DRI2: Move DebugMsg macro to a common header

Signed-off-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>

src/fbdev_priv.h

@@ -31,6 +31,12 @@
 
 #include "compat-api.h"
 
+#ifdef DEBUG
+#define DebugMsg(...) ErrorF(__VA_ARGS__)
+#else
+#define DebugMsg(...)
+#endif
+
 typedef struct {
 	unsigned char*			fbstart;
 	unsigned char*			fbmem;

src/sunxi_mali_ump_dri2.c

@@ -48,12 +48,6 @@
 #include "sunxi_disp_ioctl.h"
 #include "sunxi_mali_ump_dri2.h"
 
-#ifdef DEBUG
-#define DebugMsg(...) ErrorF(__VA_ARGS__)
-#else
-#define DebugMsg(...)
-#endif
-
 
 /*
  * The code below is borrowed from "xserver/dix/window.c"