serial: xilinx: uartlite: switch to DT_INST_IRQN_BY_IDX

Use DT_*IRQN helper to get the IRQ number on systems with multi-level
interrupt configuration instead of IRQ number on particular interrupt
controller.

Signed-off-by: Michal Simek <[email protected]>
Link: zephyrproject-rtos/zephyr#80059
State: upstream (7c809b99450c28d599ee62aacdbf43f9050f27e7)

Author: michalsimek

drivers/serial/uart_xlnx_uartlite.c

@@ -377,7 +377,7 @@ static const struct uart_driver_api xlnx_uartlite_driver_api = {
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 #define XLNX_UARTLITE_IRQ_INIT(n, i)					\
 	do {								\
-		IRQ_CONNECT(DT_INST_IRQ_BY_IDX(n, i, irq),		\
+		IRQ_CONNECT(DT_INST_IRQN_BY_IDX(n, i),			\
 			    DT_INST_IRQ_BY_IDX(n, i, priority),		\
 			    xlnx_uartlite_isr,				\
 			    DEVICE_DT_INST_GET(n), 0);			\