fpga: Make it explicit that MaxSLiCInterface.h comes from the system

tests/fpga/max_fpga_advanced_static.c

@@ -20,7 +20,7 @@
 #include "../helper.h"
 
 #include "MyTasks.h"
-#include "MaxSLiCInterface.h"
+#include <MaxSLiCInterface.h>
 #define SIZE (192/sizeof(int32_t))
 
 static max_file_t *maxfile;

tests/fpga/max_fpga_basic_static.c

@@ -20,7 +20,7 @@
 #include "../helper.h"
 
 #include "MyTasks.h"
-#include "MaxSLiCInterface.h"
+#include <MaxSLiCInterface.h>
 #define SIZE (192/sizeof(int32_t))
 
 void fpga_impl(void *buffers[], void *cl_arg)

tests/fpga/max_fpga_dynamic.c

@@ -20,7 +20,7 @@
 #include "../helper.h"
 
 #include "MyTasks.h"
-#include "MaxSLiCInterface.h"
+#include <MaxSLiCInterface.h>
 #define SIZE (192/sizeof(int32_t))
 
 static max_file_t *maxfile;

tests/fpga/max_fpga_mux.c

@@ -20,7 +20,7 @@
 #include "../helper.h"
 
 #include "MyTasksMux.h"
-#include "MaxSLiCInterface.h"
+#include <MaxSLiCInterface.h>
 #define SIZE (192/sizeof(int32_t))
 
 static max_file_t *maxfile;