[STM32] Fix nucleo-f401re SPI pinout
[STM32] Fix nucleo-f401re SPI pinout

This makes all pins part of the same group, it was also working
before, but this makes all pins close to each other on the headers.

mlaz/mynewt-core,mlaz/mynewt-core,mlaz/mynewt-core,mlaz/mynewt-core,mlaz/mynewt-core