tests: subsys: fs: Support tests/subsys/fs on RA8 boards

Add overlay property node and configs to support tests/subsys/fs/ext2,
tests/fs/fat_fs_api and tests/subsys/sd on RA8 boards

Signed-off-by: Quy Tran <quy.tran.pz@renesas.com>

Author: quytranpzz

tests/subsys/fs/ext2/boards/ek_ra8d1.overlay

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2024 Renesas Electronics Corporation
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&sdhc1 {
+	sdmmc {
+		partition {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size_cells = <1>;
+			slot1_partition: partition@0 {
+				reg = <0x00000000 0x800000>;
+			};
+		};
+	};
+};

tests/subsys/fs/ext2/boards/ek_ra8m1.overlay

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2024 Renesas Electronics Corporation
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&sdhc0 {
+	sdmmc {
+		partition {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size_cells = <1>;
+			slot1_partition: partition@0 {
+				reg = <0x00000000 0x800000>;
+			};
+		};
+	};
+};

tests/subsys/fs/ext2/boards/mck_ra8t1.overlay

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2024 Renesas Electronics Corporation
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&sdhc0 {
+	sdmmc {
+		partition {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size_cells = <1>;
+			slot1_partition: partition@0 {
+				reg = <0x00000000 0x800000>;
+			};
+		};
+	};
+};

tests/subsys/fs/fat_fs_api/boards/ek_ra8d1.conf

@@ -0,0 +1,4 @@
+CONFIG_MAIN_STACK_SIZE=4096
+CONFIG_DISK_DRIVER_RAM=n
+CONFIG_DISK_DRIVER_FLASH=n
+CONFIG_FS_FATFS_HAS_RTC=n

tests/subsys/fs/fat_fs_api/boards/ek_ra8m1.conf

@@ -0,0 +1,4 @@
+CONFIG_MAIN_STACK_SIZE=4096
+CONFIG_DISK_DRIVER_RAM=n
+CONFIG_DISK_DRIVER_FLASH=n
+CONFIG_FS_FATFS_HAS_RTC=n

tests/subsys/fs/fat_fs_api/boards/mck_ra8t1.conf

@@ -0,0 +1,4 @@
+CONFIG_MAIN_STACK_SIZE=4096
+CONFIG_DISK_DRIVER_RAM=n
+CONFIG_DISK_DRIVER_FLASH=n
+CONFIG_FS_FATFS_HAS_RTC=n