Add 33 iot to build system

Author: beriberikix

variants/CMakeLists.txt

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 zephyr_include_directories(.)
 zephyr_include_directories(ARDUINO_NANO_33_BLE)
-zephyr_include_directories(ARDUINO_NANO_33_BLE_SENSE)
+zephyr_include_directories(ARDUINO_NANO_33_BLE_SENSE)
+zephyr_include_directories(ARDUINO_NANO_33_IOT)

variants/variants.h

@@ -3,4 +3,7 @@
 #endif // CONFIG_BOARD_ARDUINO_NANO_33_BLE
 #ifdef CONFIG_BOARD_ARDUINO_NANO_33_BLE_SENSE
 #include "arduino_nano_33_ble_sense_pinmap.h"
-#endif // CONFIG_BOARD_ARDUINO_NANO_33_BLE_SENSE
+#endif // CONFIG_BOARD_ARDUINO_NANO_33_BLE_SENSE
+#ifdef CONFIG_BOARD_ARDUINO_NANO_33_IOT
+#include "arduino_nano_33_iot_pinmap.h"
+#endif // CONFIG_BOARD_ARDUINO_NANO_33_IOT