[OSCBS-41] Update to Zephyr v3.2.0 (#382)

Updating to integrate with Zephyr v3.2.0 required:

- Update `west.yml` to import Zephyr v3.2.0 manifest
- Prefix include pathname of ztest.h with `zephyr/`
- Prefix every Zephyr header included pathname with `zephyr/`
- Change all Zephyr tests/samples to use `find_package`
- For unit_testing, use a distinct prj.conf which only references
  Kconfigs defined in the Zephyr repo. (Zephyr constraint.)
- Move ztest headers into a zephyr-prefixed pathname

Co-authored-by: Gregory Shue <gregory.shue@legrand.com>

test/ztest/include/zephyr/tc_util.h

@@ -9,13 +9,13 @@
 #ifndef ZEPHYR_TESTSUITE_INCLUDE_TC_UTIL_H_
 #define ZEPHYR_TESTSUITE_INCLUDE_TC_UTIL_H_
 
-#include <zephyr.h>
+#include <zephyr/kernel.h>
 
 #include <string.h>
 #ifdef CONFIG_SHELL
-#include <shell/shell.h>
+#include <zephyr/shell/shell.h>
 #endif
-#include <sys/printk.h>
+#include <zephyr/sys/printk.h>
 
 #if defined CONFIG_ZTEST_TC_UTIL_USER_OVERRIDE
 #include <tc_util_user_override.h>

test/ztest/include/zephyr/test_utils.h

@@ -32,7 +32,7 @@
 #ifndef __TEST_UTILS_H__
 #define __TEST_UTILS_H__
 
-#include <tc_util.h>
+#include <zephyr/tc_util.h>
 #include <tinycrypt/constants.h>
 
 static inline void show_str(const char *label, const uint8_t *s, size_t len)

test/ztest/include/zephyr/ztest.h

@@ -58,15 +58,15 @@ typedef struct esf z_arch_esf_t;
 #endif
 #endif /* KERNEL */
 
-#include <sys/printk.h>
+#include <zephyr/sys/printk.h>
 #define PRINT printk
 
-#include <zephyr.h>
+#include <zephyr/kernel.h>
 
-#include <ztest_assert.h>
-#include <ztest_mock.h>
-#include <ztest_test.h>
-#include <tc_util.h>
+#include <zephyr/ztest_assert.h>
+#include <zephyr/ztest_mock.h>
+#include <zephyr/ztest_test.h>
+#include <zephyr/tc_util.h>
 
 #ifdef __cplusplus
 extern "C" {

test/ztest/include/zephyr/ztest_assert.h

@@ -13,7 +13,7 @@
 #ifndef ZEPHYR_TESTSUITE_ZTEST_ASSERT_H_
 #define ZEPHYR_TESTSUITE_ZTEST_ASSERT_H_
 
-#include <ztest.h>
+#include <zephyr/ztest.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>

test/ztest/include/zephyr/ztest_error_hook.h

@@ -7,7 +7,7 @@
 #ifndef ZEPHYR_INCLUDE_ZTEST_FATAL_HOOK_H_
 #define ZEPHYR_INCLUDE_ZTEST_FATAL_HOOK_H_
 
-#include <zephyr.h>
+#include <zephyr/kernel.h>
 
 
 #if defined(CONFIG_ZTEST_FATAL_HOOK)

test/ztest/src/ztest.c

@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <ztest.h>
+#include <zephyr/ztest.h>
 #include <stdio.h>
-#include <tc_util.h>
+#include <zephyr/tc_util.h>
 #if 0
 #include <app_memory/app_memdomain.h>
 #ifdef CONFIG_USERSPACE
@@ -15,7 +15,7 @@
 #endif
 
 #ifdef KERNEL
-#include <sys/reboot.h>
+#include <zephyr/sys/reboot.h>
 static struct k_thread ztest_thread;
 #endif
 

test/ztest/src/ztest_error_hook.c

@@ -3,8 +3,8 @@
  *
  * SPDX-License-Identifier: Apache-2.0
  */
-#include <zephyr.h>
-#include <ztest.h>
+#include <zephyr/kernel.h>
+#include <zephyr/ztest.h>
 
 
 #if defined(CONFIG_ZTEST_FATAL_HOOK)

test/ztest/src/ztest_mock.c

@@ -13,7 +13,7 @@
 #ifdef KERNEL
 #error Why is KERNEL defined by hered?
 #endif
-#include <ztest.h>
+#include <zephyr/ztest.h>
 #ifdef KERNEL
 #error Why is KERNEL defined by hered?
 #endif