samples: drivers: uart: async_api: Add board overlay

Add overlay file for these boards:

  - cy8cproto_062_4343w
  - cy8cproto_063_ble
  - cyw920829m2evk_02

Signed-off-by: Bill Waters <[email protected]>

Author: billwatersiii

samples/drivers/uart/async_api/boards/cy8cproto_062_4343w.overlay

@@ -0,0 +1,27 @@
+&dma0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	compatible = "infineon,cat1-dma";
+	status = "okay";
+};
+
+&p6_1_scb3_uart_tx {
+	drive-push-pull;
+};
+
+&p6_0_scb3_uart_rx {
+	input-enable;
+};
+
+
+dut: &scb3 {
+	compatible = "infineon,cat1-uart";
+	status = "okay";
+	current-speed = <115200>;
+
+	pinctrl-0 = <&p6_1_scb3_uart_tx &p6_0_scb3_uart_rx>;
+	pinctrl-names = "default";
+
+	dmas = <&dma0 22>, <&dma0 23>;
+	dma-names = "tx", "rx";
+};

samples/drivers/uart/async_api/boards/cy8cproto_063_ble.overlay

@@ -0,0 +1,11 @@
+&dma0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	compatible = "infineon,cat1-dma";
+	status = "okay";
+};
+
+dut: &scb5 {
+	dmas = <&dma0 22>, <&dma0 23>;
+	dma-names = "tx", "rx";
+};

samples/drivers/uart/async_api/boards/cyw920829m2evk_02.conf

@@ -0,0 +1,2 @@
+CONFIG_TEST_USERSPACE=n
+CONFIG_DMA=y

samples/drivers/uart/async_api/boards/cyw920829m2evk_02.overlay

@@ -0,0 +1,27 @@
+&dma0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	compatible = "infineon,cat1-dma";
+
+	status = "okay";
+};
+
+dut: &scb1 {
+	compatible = "infineon,cat1-uart";
+	status = "okay";
+	current-speed = <115200>;
+
+	dmas = <&dma0 6>, <&dma0 7>;
+	dma-names = "tx", "rx";
+
+	pinctrl-0 = <&p1_3_scb1_uart_tx &p1_2_scb1_uart_rx>;
+	pinctrl-names = "default";
+};
+
+&p1_3_scb1_uart_tx {
+	drive-push-pull;
+};
+
+&p1_2_scb1_uart_rx {
+	input-enable;
+};