nrf5/boards: decrease size of ISR region from 4k to 1k in custom feather52 linker script to get some more flash space.
nrf5/boards: decrease size of ISR region from 4k to 1k in custom feather52 linker script to get some more flash space.

adafruit/circuitpython,tralamazza/micropython,adafruit/micropython,adafruit/circuitpython,adafruit/micropython,adafruit/micropython,tralamazza/micropython,adafruit/micropython,adafruit/micropython,tralamazza/micropython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,tralamazza/micropython,adafruit/circuitpython