Rearrange configuration settings so that ARCH_HAVE_SDIO is moved to higher, sharable level
Remove some pre-processor warnings that I am more than tired of seeing
SAMA5: Fix HSMCI race condition.  Now memory card interface is functional with DMA
MMC/SD SDIO:  Correct return values when multiple block transfers are suppressed.  From Andrew Tridgell via Lorenz Meier
Serial FIONREAD, FIONWRITE, and TERMIOS I/O processing from Mike Smith, Andrew Tridgell, and and Lorenz Meier
Added FIONREAD and FIONWRITE to CDC/ACM driver.  From Lorenz Meier
Added option to disable STM32 serial port re-ordering
STM32: Fix STM32 serial init for non-reordered serial ports.  From Lorenz Meier
Add CAN configuration to STM32 config menu