Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32l0/STM32L052/RCC/IOPRSTR#0x0
GPIO reset register
I/O port A reset
I/O port B reset
I/O port D reset
I/O port E reset
I/O port H reset
https://github.com/modm-io/cmsis-svd-stm32