Fix SWD, output couldn't be disabled in dedic_gpio (EUB-98)

[viric]

The SWDIO output was never disabled, and this caused all readings to be wrong. This seems related to ESP32-S2 and S3
SOC_DEDIC_GPIO_OUT_AUTO_ENABLE.

I change to use dedic_gpio only for input, and then I drive the output the usual gpio_ll_set_level way.

This makes openocd finally work for me; debugging an nrf52 target.

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[erhankur]

@viric Thank you for the fix and the PR. I’m a bit busy this week, but I’ll probably be able to review it next week.