SDIO: Use interrupt clear function.
SDIO: Use two clock speeds and function to switch.
SDIO: Hacky function to convert INTSTS to sdio_error_t.
SDIO: Change register field style, remove extra functions.
SDIO: Change CRC/response expectations of some commands.
SDIO: Change interface on ACMD41 to take HCS.
SDIO: Add missing sdio_error_t values.
SDIO: Add CMD7 function.
SDIO: Add single-block read function (CMD17).
SDIO: Add single-block write function (CMD24).
SDIO: Make CMD55 a bit more explicit.
SDIO: Initialize timeouts to values in datasheet.
SDIO: Enable low-power clock mode.
SDIO: Expose CMD2, CMD3 functions.
FATFS: Initial commit of files from release R0.10b.
FATFS: Add to firmware CMake.
SDIO: Change card init, perform FATFS state management.
FATFS: Add SDIO interface functions.
FATFS: Log TPMS packets to file.