kernel: include version.h

Include the MAKE generated version header file so that any
Zephyr application that include the kernel header will know
its version without including additional header.

Signed-off-by: Yong Cong Sin <[email protected]>

Author: ycsin

include/zephyr/kernel.h

@@ -14,6 +14,7 @@
 #define ZEPHYR_INCLUDE_KERNEL_H_
 
 #if !defined(_ASMLANGUAGE)
+#include "version.h" /* generated by MAKE, at compile time */
 #include <zephyr/kernel_includes.h>
 #include <errno.h>
 #include <limits.h>

kernel/version.c

@@ -5,13 +5,13 @@
  */
 
 #include <zephyr/types.h>
-#include "version.h" /* generated by MAKE, at compile time */
+#include <zephyr/kernel.h>
 
 /**
  * @brief Return the kernel version of the present build
  *
  * The kernel version is a four-byte value, whose format is described in the
- * file "kernel_version.h".
+ * file "version.h".
  *
  * @return kernel version
  */