extmod/modwebrepl: Make prompt/ver static arrays const to not use RAM.
extmod/modwebrepl: Make prompt/ver static arrays const to not use RAM.

The esp8266 lwip_open library is compiled with -mforce-l32 so these arrays
do not need to be in RAM.

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