STM32 nor flash controller - boards files need update after #68274

[timwoolliscroft-opteran]

Introduced in #68274

Believe this PR has missed the board stm32h7b3i_dk and others

https://github.com/zephyrproject-rtos/zephyr/tree/main/boards/arm/stm32h7b3i_dk

A search on boards for stm32-ospi-nor

https://github.com/search?q=repo%3Azephyrproject-rtos%2Fzephyr+path%3A%2F%5Eboards%5C%2Farm%5C%2F%2F+stm32-ospi-nor&type=code

Show quite a few that missed an update.

Search on stm32-qspi-nor seems OK

https://github.com/search?q=repo%3Azephyrproject-rtos%2Fzephyr+path%3A%2F%5Eboards%5C%2Farm%5C%2F%2F+stm32-qspi-nor&type=code

Originally posted by @timwoolliscroft-opteran in #68274 (comment)