Is your feature request/improvement related to a problem? Please describe.

Hi, I work with a team of University students working on rocketry and we cant use our H755ZI boards with Arduino core because it isn't supported, and would love if y'all could add support.

Describe the solution you'd like

Addition of the H755ZI Processor to the STM32 Arduino Core

Describe alternatives you've considered

Purchasing H753ZI boards that are supported, but we already have around 20 H755ZI Boards