[nrf noup] boards: thingy53: disable GPIO ISR support

Change disables GPIO interrupt support in Zephyr GPIO driver,
which is not obligatory for MCUboot.
This is needed to reduce memory footprint.

Signed-off-by: Nikodem Kastelik <nikodem.kastelik@nordicsemi.no>
(cherry picked from commit adab597)

Author: nika-nordic

boot/zephyr/boards/thingy53_nrf5340_cpuapp.conf

@@ -21,6 +21,7 @@ CONFIG_UART_LINE_CTRL=y
 
 # MCUBoot serial
 CONFIG_GPIO=y
+CONFIG_GPIO_NRFX_INTERRUPT=n
 CONFIG_MCUBOOT_SERIAL=y
 CONFIG_MCUBOOT_SERIAL_DIRECT_IMAGE_UPLOAD=y
 CONFIG_BOOT_SERIAL_CDC_ACM=y