subsystems: migrate includes to <zephyr/...>

In order to bring consistency in-tree, migrate all subsystems code to
the new prefix <zephyr/...>. Note that the conversion has been scripted,
refer to zephyrproject-rtos#45388 for more details.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>

subsys/net/lib/http/http_client.c

@@ -10,19 +10,19 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <logging/log.h>
+#include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(net_http, CONFIG_NET_HTTP_LOG_LEVEL);
 
-#include <kernel.h>
+#include <zephyr/kernel.h>
 #include <string.h>
 #include <strings.h>
 #include <errno.h>
 #include <stdbool.h>
 #include <stdlib.h>
 
-#include <net/net_ip.h>
-#include <net/socket.h>
-#include <net/http_client.h>
+#include <zephyr/net/net_ip.h>
+#include <zephyr/net/socket.h>
+#include <zephyr/net/http_client.h>
 
 #include "net_private.h"