[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/bacnet/datalink/bvlc/src/main.c

@@ -9,7 +9,7 @@
  */
 
 #include <stdlib.h>  /* For calloc() */
-#include <ztest.h>
+#include <zephyr/ztest.h>
 #include <bacnet/bactext.h>
 #include <bacnet/datalink/bvlc.h>
 

test/bacnet/datalink/cobs/src/main.c

@@ -8,7 +8,7 @@
  * @brief test BACnet COBS encode/decode APIs
  */
 
-#include <ztest.h>
+#include <zephyr/ztest.h>
 #include <stdlib.h>
 #include <bacnet/datalink/cobs.h>
 #include <bacnet/bytes.h>

test/bacnet/datalink/crc/src/main.c

@@ -8,7 +8,7 @@
  * @brief test BACnet integer encode/decode APIs
  */
 
-#include <ztest.h>
+#include <zephyr/ztest.h>
 #include <bacnet/datalink/crc.h>
 #include <bacnet/bytes.h>
 

test/bacnet/datalink/mock/src/arcnet-mock.c

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include <ztest.h>
+#include <zephyr/ztest.h>
 #include <stdint.h>
 #include "bacnet/datalink/arcnet.h"
 

test/bacnet/datalink/mock/src/bip-mock.c

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include <ztest.h>
+#include <zephyr/ztest.h>
 #include <stdint.h> /* for standard integer types uint8_t etc. */
 #include <stdbool.h> /* for the standard bool type. */
 #include <stdio.h>

test/bacnet/datalink/mock/src/bip6-mock.c

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include <ztest.h>
+#include <zephyr/ztest.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h> /* for standard integer types uint8_t etc. */

test/bacnet/datalink/mock/src/dlmstp-mock.c

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include <ztest.h>
+#include <zephyr/ztest.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include "bacnet/datalink/dlmstp.h"

test/bacnet/datalink/mock/src/ethernet-mock.c

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include <ztest.h>
+#include <zephyr/ztest.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include "bacnet/datalink/ethernet.h"

test/bacnet/datalink/mock/src/main.c

@@ -9,7 +9,7 @@
  */
 
 #include <stdlib.h>  /* For calloc() */
-#include <ztest.h>
+#include <zephyr/ztest.h>
 #include <bacnet/datalink/datalink.h>
 #include "bacnet/apdu.h"