tests: drivers: flash: stm32: add nucleo_f746zg

Add the nucleo_f746zg to the tests for the flash driver.

Signed-off-by: Benedikt Schmidt <[email protected]>

Author: benediktibk

tests/drivers/flash/stm32/boards/nucleo_f746zg.overlay

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2024 SILA Embedded Solutions GmbH
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&flash0 {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		/* Reserve 4KiB of flash for storage_partition. */
+		storage_partition: partition@f0000 {
+			label = "storage";
+			reg = <0x000f0000 DT_SIZE_K(4)>;
+		};
+	};
+};

tests/drivers/flash/stm32/testcase.yaml

@@ -35,3 +35,10 @@ tests:
       - CONFIG_FLASH_STM32_READOUT_PROTECTION=y
     filter: dt_compat_enabled("st,stm32g4-flash-controller") and
       dt_label_with_parent_compat_enabled("storage_partition", "fixed-partitions")
+  drivers.flash.stm32.f7:
+    platform_allow:
+      - nucleo_f746zg
+    extra_configs:
+      - CONFIG_FLASH_STM32_READOUT_PROTECTION=y
+    filter: dt_compat_enabled("st,stm32f7-flash-controller") and
+      dt_label_with_parent_compat_enabled("storage_partition", "fixed-partitions")