hal: Enable logs for EDID messages.

-Update EDID enable flag to be consistent with
master branch.
-Enable logs for EDID messages.
-Fix LOCAL_CFLAG overwrite due to HDMI_EDID flag.

Change-Id: If5870e843928ee0995959042eb4d2534290b0164
diff --git a/hal/edid.h b/hal/edid.h
index ec83ec8..aa945bd 100644
--- a/hal/edid.h
+++ b/hal/edid.h
@@ -92,5 +92,10 @@
     int  channel_allocation;
 } edid_audio_info;
 
+
+#ifndef HDMI_EDID
+#define edid_get_sink_caps(info, edid_data) (0)
+#else
 bool edid_get_sink_caps(edid_audio_info* info, char *edid_data);
+#endif
 #endif /* EDID_H */