tests: net: Add relevant Posix headers for networking

We need certain network related Posix header files so that the
network tests using Posix symbols compiles ok.
Previously the Posix symbols were introduced by network stack
automatically, but that is no longer the case.

Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>

Author: jukkar

tests/net/socket/tls_configurations/src/main.c

@@ -11,6 +11,10 @@ LOG_MODULE_REGISTER(tls_configuration_sample, LOG_LEVEL_INF);
 #include <stdio.h>
 
 #include <zephyr/posix/sys/eventfd.h>
+#include <zephyr/posix/poll.h>
+#include <zephyr/posix/arpa/inet.h>
+#include <zephyr/posix/unistd.h>
+#include <zephyr/posix/sys/socket.h>
 
 #include <zephyr/net/socket.h>
 #include <zephyr/net/tls_credentials.h>

tests/net/socket/tls_ext/src/main.c

@@ -9,6 +9,8 @@
 #include <zephyr/net/net_ip.h>
 #include <zephyr/net/socket.h>
 #include <zephyr/net/tls_credentials.h>
+#include <zephyr/posix/sys/socket.h>
+#include <zephyr/posix/arpa/inet.h>
 #include <zephyr/posix/unistd.h>
 #include <zephyr/sys/util.h>
 #include <zephyr/ztest.h>