[nrf fromlist] test: drivers: flash: common: Add sfdp case for nrf54l15 tests.

Add case for using flash with some parameters read with runtime sfdp
instead of dt declarations.

Upstream PR #: 97495

Signed-off-by: Bartlomiej Buczek <[email protected]>

Author: nordic-babu

tests/drivers/flash/common/boards/nrf54l15dk_remove_dt_sfdp.overlay

@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&mx25r64 {
+/delete-property/ jedec-id;
+/delete-property/ sfdp-bfp;
+/delete-property/ has-dpd;
+/delete-property/ t-enter-dpd;
+/delete-property/ t-exit-dpd;
+};

tests/drivers/flash/common/testcase.yaml

@@ -61,6 +61,17 @@ tests:
       - nrf54l15dk/nrf54l15/cpuapp
     harness_config:
       fixture: external_flash
+  drivers.flash.common.no_explicit_erase.sfdp_runtime:
+    platform_allow:
+      - nrf54l15dk/nrf54l05/cpuapp
+      - nrf54l15dk/nrf54l10/cpuapp
+      - nrf54l15dk/nrf54l15/cpuapp
+    harness_config:
+      fixture: external_flash
+    extra_configs:
+      - CONFIG_SPI_NOR_SFDP_RUNTIME=y
+    extra_args:
+      - DTC_OVERLAY_FILE=boards/nrf54l15dk_remove_dt_sfdp.overlay
   drivers.flash.common.no_explicit_erase.nrf54h:
     platform_allow:
       - nrf54h20dk/nrf54h20/cpuapp