Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32h7rs/STM32H7R/OTG_HS/OTG_CID#0x0
OTG core ID register
Product ID field Application-programmable ID field.
https://github.com/modm-io/cmsis-svd-stm32