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/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