py/mpprint: Support printing %ld and %lu formats on 64-bit archs.
py/mpprint: Support printing %ld and %lu formats on 64-bit archs.

Fixes issue #4702.

bvernoux/micropython,trezor/micropython,tobbad/micropython,selste/micropython,MrSurly/micropython,pozetroninc/micropython,adafruit/circuitpython,henriknelson/micropython,pramasoul/micropython,selste/micropython,tobbad/micropython,henriknelson/micropython,adafruit/circuitpython,henriknelson/micropython,pfalcon/micropython,MrSurly/micropython,pfalcon/micropython,trezor/micropython,MrSurly/micropython,pfalcon/micropython,kerneltask/micropython,pozetroninc/micropython,selste/micropython,trezor/micropython,kerneltask/micropython,tobbad/micropython,adafruit/circuitpython,MrSurly/micropython,bvernoux/micropython,pfalcon/micropython,adafruit/circuitpython,bvernoux/micropython,MrSurly/micropython,henriknelson/micropython,pramasoul/micropython,selste/micropython,kerneltask/micropython,henriknelson/micropython,pfalcon/micropython,bvernoux/micropython,adafruit/circuitpython,pozetroninc/micropython,trezor/micropython,tobbad/micropython,pozetroninc/micropython,kerneltask/micropython,tobbad/micropython,pramasoul/micropython,trezor/micropython,pozetroninc/micropython,pramasoul/micropython,kerneltask/micropython,selste/micropython,bvernoux/micropython,adafruit/circuitpython,pramasoul/micropython