samples: drivers: i2s: output: update u385rg_q sa1 pins node

Choose another sai1_fs_a pin available to avoid the need to
disable the Zephyr-chosen console and i2c3 node.

Signed-off-by: Fabrice DJIATSA <[email protected]>

Author: djiatsaf-st

samples/drivers/i2s/output/boards/nucleo_u385rg_q.overlay

@@ -9,17 +9,11 @@
 	aliases {
 		i2s-tx = &sai1_a;
 	};
-
-	chosen {
-		zephyr,console = &lpuart1;
-		zephyr,shell-uart = &lpuart1;
-	};
 };
 
 /* 46.875KHz (6.29% Error) */
 &sai1_a {
-	pinctrl-0 = <&sai1_mclk_a_pb8 &sai1_sd_a_pc1
-		     &sai1_fs_a_pa9 &sai1_sck_a_pb10>;
+	pinctrl-0 = <&sai1_mclk_a_pb8 &sai1_sd_a_pc3 &sai1_fs_a_pb9 &sai1_sck_a_pb10>;
 	pinctrl-names = "default";
 	status = "okay";
 	mclk-enable;
@@ -34,11 +28,3 @@
 &clk_msik {
 	status = "okay";
 };
-
-&i2c3 {
-	status = "disabled";
-};
-
-&usart1 {
-	status = "disabled";
-};