drivers/disk: sdmmc stm32: Enable SDMMC Internal DMA on STM32L4plus mcu

STM32L4plus mcu has SDMMC internal DMA which works without any
configuration and it's handled by SDMMC HAL driver. This commit adds
option to enable it and use it.

Signed-off-by: Petr Hlineny <development@hlineny.cz>
3 files changed