Integrate seco-stm32/stm32-sysfs
Commit: seco-ne/kernel/modules/seco-stm32@8b7620e0
driver: Some info about stm32 made available through sysfs
- firmware version and chip-id of the stm32 can be read from sysfs
- in difference to other gpio controlers the stm32 can serve as interrupt- controler without having gpios configured
Transferred from seco-ne/kernel/linux-imx-kuk@1afdf002