Avoid adding include paths for titan driver

Makefile.am

@@ -288,7 +288,6 @@ endif
 
 if USE_TITAN
 bfgminer_SOURCES += driver-titan.c titan-asic.c knc-asic/knc-asic.c knc-asic/knc-spimux.c knc-asic/knc-transport-spimux.c titan-asic.h knc-asic/include/knc-asic.h knc-asic/include/knc-transport.h
-bfgminer_CPPFLAGS += -I. -I./knc-asic/include -I./knc-asic
 endif
 
 if HAS_X6500

titan-asic.h

@@ -1,8 +1,8 @@
 #ifndef __TITAN_ASIC_H
 #define __TITAN_ASIC_H
 
-#include "knc-asic.h"
-#include "knc-transport.h"
+#include "knc-asic/knc-asic.h"
+#include "knc-asic/knc-transport.h"
 
 #define	KNC_TITAN_MAX_ASICS		6
 #define	KNC_TITAN_DIES_PER_ASIC		4