stm32/make-stmconst.py: Allow more variation in parens and int-suffix L.
stm32/make-stmconst.py: Allow more variation in parens and int-suffix L.

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