tests: watchdog: Add nxp mcxn4x and ke1xz for ewm

Support frdm_mcxn947 and frdm_ke17z for watchdog reset_none_ewm

Signed-off-by: Yves Wang <zhengjia.wang@nxp.com>

Author: yvesll

tests/drivers/watchdog/wdt_basic_reset_none/boards/frdm_ke1xz.overlay

@@ -0,0 +1,19 @@
+/*
+ * Copyright 2025 NXP
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		watchdog0 = &ewm0;
+	};
+};
+
+&ewm0 {
+	status = "okay";
+	clk-divider = <3>;
+};
+
+&wdog {
+	status = "disabled";
+};

tests/drivers/watchdog/wdt_basic_reset_none/testcase.yaml

@@ -17,6 +17,8 @@ tests:
       - frdm_mcxw72/mcxw727c/cpu0
       - mimxrt1180_evk/mimxrt1189/cm33
       - mimxrt1180_evk/mimxrt1189/cm7
+      - frdm_mcxn947/mcxn947/cpu0
+      - frdm_mcxn947/mcxn947/cpu1
     integration_platforms:
       - frdm_mcxw71
       - frdm_mcxw72/mcxw727c/cpu0
@@ -26,3 +28,13 @@ tests:
     extra_configs:
       - CONFIG_TEST_WDT_MAX_WINDOW_TIME=254
       - CONFIG_TEST_WDT_SLEEP_TIME=68
+  drivers.watchdog.reset_none_ewm_ke1xz:
+    filter: dt_compat_enabled("nxp,ewm")
+    platform_allow:
+      - frdm_ke17z
+    integration_platforms:
+      - frdm_ke17z
+    extra_args: DTC_OVERLAY_FILE="boards/frdm_ke1xz.overlay"
+    extra_configs:
+      - CONFIG_TEST_WDT_MAX_WINDOW_TIME=254
+      - CONFIG_TEST_WDT_SLEEP_TIME=68