Let's clean up "boards/stmicroelectronics" directory a bit
to have everything in particular directories.
Signed-off-by: Bartosz Bilas <b.bilas@grinn-global.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
It will be useful for the upcoming introducing stm32mp157a dk2 board.
Signed-off-by: Bartosz Bilas <b.bilas@grinn-global.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>