stm32/extint: Fix EXTI mapping of PVD and RTC events for H7 MCUs.
stm32/extint: Fix EXTI mapping of PVD and RTC events for H7 MCUs.

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