Remove dependency on cmsis_device

The applications doesn't need the cmsis device dependency. Remove it and
add the explicit headers that are required to access assembler defines.

Change-Id: I959b60e0ca150a75145319df207cfeb6361f0022
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3e14fe0..99d829c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -62,4 +62,4 @@
 add_subdirectory(drivers)
 
 # Merge libraries into static library
-target_link_libraries(ethosu_core INTERFACE tflu cmsis_core cmsis_device ethosu_applications ethosu_drivers)
+target_link_libraries(ethosu_core INTERFACE tflu cmsis_core ethosu_applications ethosu_drivers)
diff --git a/applications/inference_process/src/inference_process.cc b/applications/inference_process/src/inference_process.cc
index 9a30029..759617a 100644
--- a/applications/inference_process/src/inference_process.cc
+++ b/applications/inference_process/src/inference_process.cc
@@ -24,6 +24,8 @@
 
 #include "inference_process.hpp"
 
+#include "cmsis_compiler.h"
+
 #include <inttypes.h>
 
 #ifndef TENSOR_ARENA_SIZE
diff --git a/applications/message_process/src/message_process.cc b/applications/message_process/src/message_process.cc
index 4533455..5640a1a 100644
--- a/applications/message_process/src/message_process.cc
+++ b/applications/message_process/src/message_process.cc
@@ -18,6 +18,8 @@
 
 #include <message_process.hpp>
 
+#include "cmsis_compiler.h"
+
 #include <cstddef>
 #include <cstdio>
 #include <cstring>