Add files to begin support for STM32F10
Rename USB API files.

Has been renamed because now contain link to both USB functions USB DEV
and USB HOST
Complete the board_init to new API's and drivers
Modify timeout on xfer status get function
Add debug info for SD and MMC initialization.
Fix the TI CSD definitions.

On high capacity uSD card's the maximum allowed capacity to be calculate
is a 32 bit maximum size, with this fix will be calculate on 64 bit.
Add interface file for usb com device.
Delete enable interrupts during call.

Delete enable interrupts during call of slave functions on usb dev MSC.
Change nr of endpoints and other.

Change number of endpoints from 2 to 4, change int priority from 0 to 1
to allow the slave functions appeal by usb dev msc read and write to
generate interrupts inside interrupt, add function to connect and
disconnect usb MSC device.
Change from 2 to 4 endpoints.
Add example project to show how to bridge USB0 dev.

Add example project to show how to bridge the USB0 device to eMMC on
MMCSD1 and USB0 device to uSD on MMCSD0, this will help the developers
to undo damages on eMMC and to update eMMC or uSD files without pulling
the uSD from BB and BBB.