stm32l4xx-hal
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Added feature gate to add PA1, PA11, PA12 as SPI1 pins
Added one set of additional SPI1 pins which are present on the stm32l4x2 MCUs. I quickly poked around if other stm32l4 MCUs have these, but didn't checked all of them in depth.
Tested on the stm32l452.
These are also present on the l431xx, see page 70 https://www.st.com/content/ccc/resource/technical/document/datasheet/group3/83/b3/60/f6/b1/cc/47/7e/DM00257211/files/DM00257211.pdf/jcr:content/translations/en.DM00257211.pdf
Thanks for the info, I'll go through every datasheet for the sake of completeness...