Exclude applications that depend on NPU

Exclude applications that depend on the NPU, if the NPU driver
library was not compiled by the project.

Change-Id: I3fcb570cf155d589a9576266332ba519a11186f1
diff --git a/applications/baremetal/main.cpp b/applications/baremetal/main.cpp
index e394e3a..ea5f03c 100644
--- a/applications/baremetal/main.cpp
+++ b/applications/baremetal/main.cpp
@@ -20,10 +20,9 @@
  * Includes
  ****************************************************************************/
 
-// NPU driver
-#include "ethosu_driver.h"
 // Inference process
 #include "inference_process.hpp"
+
 // System includes
 #include <stdio.h>
 #include <vector>
@@ -34,6 +33,7 @@
 #include "output.h"
 
 #ifdef ETHOSU
+#include <ethosu_driver.h>
 #include <ethosu_monitor.hpp>
 #include <pmu_ethosu.h>
 #endif