examples/embedding: Fix hard-coded MP_QSTR_ value.
examples/embedding: Fix hard-coded MP_QSTR_ value.

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