Fix #2: Unittest build failure after 7c7c01c

Author: coderarjob

include/cm/cm.h

@@ -10,7 +10,7 @@
 
 #include <types.h>
 #include <stdarg.h>
-#ifdef KERNEL
+#if defined(KERNEL) || defined (UNITTEST)
     #include <cm/osif.h>
     #include <cm/syscall.h>
 #else

include/cm/err.h

@@ -5,7 +5,7 @@
  */
 
 #include <stdint.h>
-#ifdef KERNEL
+#if defined(KERNEL) || defined (UNITTEST)
     #include <cm/debug.h>
     #include <cm/syscall.h>
     #include <cm/osif.h>

include/cm/graphics.h

@@ -7,7 +7,7 @@
 #pragma once
 
 #include <types.h>
-#ifdef KERNEL
+#if defined(KERNEL) || defined (UNITTEST)
     #include <cm/osif.h>
 #else
     #include <osif.h>

include/cm/syscall.h

@@ -7,10 +7,7 @@
 #pragma once
 
 #include <types.h>
-// App library is built with the with Kernel flags and kernel include directories. Whereas when
-// applications will include this header (either directly or indirectly) the include path will
-// differ, thus this change in the way applib headers are included here.
-#ifdef KERNEL
+#if defined(KERNEL) || defined (UNITTEST)
     #include <cm/osif.h>
 #else
     #include <osif.h>