Add overlays files for Infineon boards changed interrupt priority for GPIO for ZERO_LATENCY_IRQS test

[npal-cy]

Zephyr CI detects build failure on irq_zero_latency related test on Infineon boards. See https://github.com/zephyrproject-rtos/zephyr/actions/runs/11524969451/job/32695832470?pr=80025 for details.

[npal-cy]

PR provides overlay files for Infineon boards with changed interrupt priority for GPIO for ZERO_LATENCY_IRQS test:
#81464