tests/drivers/dma: testing mem-to-mem DMA transfer on stm32u5

Add the testcase to run on the stm32u5x5 disco kit
and nucleo_u575zi_q boards.
The DMA instance is the GPDMA (up to 16 channels).

Signed-off-by: Francois Ramu <[email protected]>

Author: FRASTM

tests/drivers/dma/chan_blen_transfer/boards/b_u585i_iot02a.conf

@@ -0,0 +1,2 @@
+CONFIG_DMA_TRANSFER_CHANNEL_NR_0=5
+CONFIG_DMA_TRANSFER_CHANNEL_NR_1=10

tests/drivers/dma/chan_blen_transfer/boards/b_u585i_iot02a.overlay

@@ -0,0 +1,9 @@
+/*
+ * Copyright (c) 2022 STMicroelectronics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+test_dma: &gpdma1 {
+	status = "okay";
+};

tests/drivers/dma/chan_blen_transfer/boards/nucleo_u575zi_q.conf

@@ -0,0 +1,2 @@
+CONFIG_DMA_TRANSFER_CHANNEL_NR_0=5
+CONFIG_DMA_TRANSFER_CHANNEL_NR_1=10

tests/drivers/dma/chan_blen_transfer/boards/nucleo_u575zi_q.overlay

@@ -0,0 +1,9 @@
+/*
+ * Copyright (c) 2022 STMicroelectronics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+test_dma: &gpdma1 {
+	status = "okay";
+};

tests/drivers/dma/loop_transfer/boards/b_u585i_iot02a.conf

@@ -0,0 +1 @@
+CONFIG_DMA_LOOP_TRANSFER_CHANNEL_NR=2

tests/drivers/dma/loop_transfer/boards/b_u585i_iot02a.overlay

@@ -0,0 +1,9 @@
+/*
+ * Copyright (c) 2022 STMicroelectronics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+test_dma: &gpdma1 {
+	status = "okay";
+};

tests/drivers/dma/loop_transfer/boards/nucleo_u575zi_q.conf

@@ -0,0 +1 @@
+CONFIG_DMA_LOOP_TRANSFER_CHANNEL_NR=8

tests/drivers/dma/loop_transfer/boards/nucleo_u575zi_q.overlay

@@ -0,0 +1,9 @@
+/*
+ * Copyright (c) 2022 STMicroelectronics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+test_dma: &gpdma1 {
+	status = "okay";
+};

tests/drivers/dma/loop_transfer/src/test_dma_loop.c

@@ -271,7 +271,7 @@ static int test_loop_suspend_resume(void)
 		res = dma_suspend(dma, chan_id);
 		if (res == -ENOSYS) {
 			done = 1;
-			TC_PRINT("suspend not supported");
+			TC_PRINT("suspend not supported\n");
 			dma_stop(dma, chan_id);
 			return TC_PASS;
 		}