tests: drivers: uart: uart_async_api: Enable test on nrf54h20 PPR XIP
Add overlay and config file required to run the uart_async_api
test on nrf54h20dk/nrf54h20/cpuppr/xip platform.
Signed-off-by: Sebastian Głąb <sebastian.glab@nordicsemi.no>
diff --git a/tests/drivers/uart/uart_async_api/boards/nrf54h20dk_nrf54h20_cpuppr_xip.conf b/tests/drivers/uart/uart_async_api/boards/nrf54h20dk_nrf54h20_cpuppr_xip.conf
new file mode 100644
index 0000000..47f4810
--- /dev/null
+++ b/tests/drivers/uart/uart_async_api/boards/nrf54h20dk_nrf54h20_cpuppr_xip.conf
@@ -0,0 +1,3 @@
+CONFIG_PM_DEVICE=y
+CONFIG_PM_DEVICE_RUNTIME=y
+CONFIG_VAR_LENGTH_BUFFER_TEST_BUADRATE_LIMIT=57600
diff --git a/tests/drivers/uart/uart_async_api/boards/nrf54h20dk_nrf54h20_cpuppr_xip.overlay b/tests/drivers/uart/uart_async_api/boards/nrf54h20dk_nrf54h20_cpuppr_xip.overlay
new file mode 100644
index 0000000..f65b4dd
--- /dev/null
+++ b/tests/drivers/uart/uart_async_api/boards/nrf54h20dk_nrf54h20_cpuppr_xip.overlay
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#include "nrf54h20dk_nrf54h20_common.dtsi"