zephyr: use <zephyr/kernel.h>
<zephyr/zephyr.h> is just a shim to the <zephyr/kernel.h> header, better
use it directly as it is explicit that Kernel APIs are being included.
Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>
diff --git a/boot/zephyr/boot_serial_extensions.c b/boot/zephyr/boot_serial_extensions.c
index a026668..c2f1b93 100644
--- a/boot/zephyr/boot_serial_extensions.c
+++ b/boot/zephyr/boot_serial_extensions.c
@@ -4,7 +4,7 @@
* SPDX-License-Identifier: Apache-2.0
*/
-#include <zephyr/zephyr.h>
+#include <zephyr/kernel.h>
#include <zephyr/drivers/flash.h>
#include <zephyr/mgmt/mcumgr/zephyr_groups.h>