tests: drivers: uart asynch test with overlay for each stm32 board

Based on the new bindings for the stm32 dma feature,
the overlay for enabling the dma on uart client is modified.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
diff --git a/tests/drivers/uart/uart_async_api/boards/disco_l475_iot1.overlay b/tests/drivers/uart/uart_async_api/boards/disco_l475_iot1.overlay
index 09cf4be..4a98f60 100644
--- a/tests/drivers/uart/uart_async_api/boards/disco_l475_iot1.overlay
+++ b/tests/drivers/uart/uart_async_api/boards/disco_l475_iot1.overlay
@@ -1,8 +1,8 @@
 /* SPDX-License-Identifier: Apache-2.0 */
 
 &uart4 {
-	dmas = <&dma2 3 2 0x20440 0>,
-		<&dma2 5 2 0x20480 0>;
+	dmas = <&dma2 3 2 0x20440>,
+		<&dma2 5 2 0x20480>;
 	dma-names = "tx", "rx";
 };
 
diff --git a/tests/drivers/uart/uart_async_api/boards/nucleo_f103rb.overlay b/tests/drivers/uart/uart_async_api/boards/nucleo_f103rb.overlay
new file mode 100644
index 0000000..47e2b4c
--- /dev/null
+++ b/tests/drivers/uart/uart_async_api/boards/nucleo_f103rb.overlay
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: Apache-2.0 */
+
+&usart1 {
+	dmas = <&dma1 4 0x440>,
+	       <&dma1 5 0x480>;
+	dma-names = "tx", "rx";
+};
+
+&dma1 {
+	status = "okay";
+};
diff --git a/tests/drivers/uart/uart_async_api/boards/nucleo_g071rb.overlay b/tests/drivers/uart/uart_async_api/boards/nucleo_g071rb.overlay
index 4420c4d..76d70b1 100644
--- a/tests/drivers/uart/uart_async_api/boards/nucleo_g071rb.overlay
+++ b/tests/drivers/uart/uart_async_api/boards/nucleo_g071rb.overlay
@@ -1,8 +1,8 @@
 /* SPDX-License-Identifier: Apache-2.0 */
 
 &usart1 {
-	dmas = <&dmamux1 5 51 0x440 0>,
-	       <&dmamux1 4 50 0x480 0>;
+	dmas = <&dmamux1 5 51 0x440>,
+	       <&dmamux1 4 50 0x480>;
 	dma-names = "tx", "rx";
 };
 
diff --git a/tests/drivers/uart/uart_async_api/boards/nucleo_g474re.overlay b/tests/drivers/uart/uart_async_api/boards/nucleo_g474re.overlay
index c982c6f..00d5710 100644
--- a/tests/drivers/uart/uart_async_api/boards/nucleo_g474re.overlay
+++ b/tests/drivers/uart/uart_async_api/boards/nucleo_g474re.overlay
@@ -1,8 +1,8 @@
 /* SPDX-License-Identifier: Apache-2.0 */
 
 &usart1 {
-	dmas = <&dmamux1 2 25 0x440 0>,
-	       <&dmamux1 1 24 0x480 0>;
+	dmas = <&dmamux1 2 25 0x440>,
+	       <&dmamux1 1 24 0x480>;
 	dma-names = "tx", "rx";
 };
 
diff --git a/tests/drivers/uart/uart_async_api/boards/nucleo_l4r5zi.overlay b/tests/drivers/uart/uart_async_api/boards/nucleo_l4r5zi.overlay
index 3b37540..784e4ce 100644
--- a/tests/drivers/uart/uart_async_api/boards/nucleo_l4r5zi.overlay
+++ b/tests/drivers/uart/uart_async_api/boards/nucleo_l4r5zi.overlay
@@ -1,8 +1,8 @@
 /* SPDX-License-Identifier: Apache-2.0 */
 
 &usart3 {
-	dmas = <&dmamux1 5 29 0x440 0>,
-		<&dmamux1 4 28 0x480 0>;
+	dmas = <&dmamux1 5 29 0x440>,
+		<&dmamux1 4 28 0x480>;
 	dma-names = "tx", "rx";
 };