boards: st: nucleo_h755zi_q: Fix green LED pin assignment

Update the green LED pin from PA5 to PB0 in the device tree, based on the
default solder bridge configuration in the NUCLEO-H755ZI-Q user manual.

Signed-off-by: Duc Le <[email protected]>

Author: levietduc0712

boards/st/nucleo_h755zi_q/nucleo_h755zi_q.dtsi

@@ -13,7 +13,7 @@
 		compatible = "gpio-leds";
 
 		green_led: led_1 {
-			gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>;
+			gpios = <&gpiob 0 GPIO_ACTIVE_HIGH>;
 			label = "User LD1";
 		};