Add separate log category for RSPRO protocol

Change-Id: I2e158f5181a24ae2256aae12d26865c4907eabad
diff --git a/src/debug.h b/src/debug.h
index 2a3e5a3..51331f4 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -4,6 +4,7 @@
 enum {
 	DMAIN,
 	DST2,
+	DRSPRO,
 };
 
 extern const struct log_info log_info;