NRF5340 io pin control

Question

I modified the blinky sample to toggle io pin 1.05
While the app does compile and the originally led does flaash, I'm unable to control any other io pins.

Using NRF5340
NRF SDK V2.6.0
NRF Connect SDK Tool Chain V2.6.2
ubx_evknorab12_

Fullscreen srcmain.c.txt Download

/* src/main.c
 * Copyright (c) 2016 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <zephyr/kernel.h>
#include <zephyr/drivers/gpio.h>
#include <zephyr/logging/log.h>

LOG_MODULE_REGISTER(blinky_app, LOG_LEVEL_INF); // You can choose a different name than "blinky_app"


/* 1000 msec = 1 sec */
#define SLEEP_TIME_MS   1000

/* The devicetree node identifier for the "led0" alias. */
#define LED0_NODE DT_ALIAS(led0)
#define DBG_PIN NRF_GPIO_PIN_MAP(1,5)                 // LED0 P1.8

/*
 * A build error on this line means your board is unsupported.
 * See the sample documentation for information on how to fix this.
 */
static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(LED0_NODE, gpios);

int main(void)
{
	int ret;

	if (!gpio_is_ready_dt(&led)) {
		return 0;
	}

	ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
	if (ret < 0) {
		return 0;
	}
    ret = nrf_gpio_cfg_output(DBG_PIN); // config the as output pin
	if (ret < 0){
		LOG_INF("LINE ERROR  %d",__LINE__);
	}

	while (1) {
		ret = nrf_gpio_pin_toggle(DBG_PIN);
		if (ret < 0){
			LOG_INF("LINE ERROR  %d",__LINE__);
		}

		ret = gpio_pin_toggle_dt(&led);
		if (ret < 0) {
			return 0;
		}
		printf("Hello World! HI MOM, its me %s\n", CONFIG_BOARD);
		LOG_INF("LINE a %d",__LINE__);


		k_msleep(SLEEP_TIME_MS);
	}
	return 0;
}

nrf5340_cpuapp'aram.overlay

#define DBG_PIN NRF_GPIO_PIN_MAP(1,5)
ret = nrf_gpio_cfg_output(DBG_PIN); // config the as output pin
if (ret < 0){
LOG_INF("LINE ERROR %d",__LINE__);
}

ret = nrf_gpio_pin_toggle(DBG_PIN);
if (ret < 0){
LOG_INF("LINE ERROR %d",__LINE__);
}