mx7dsabresd: Include USB header

Include <usb/ehci-fsl.h> in order to fix the following sparse warning:

board/freescale/mx7dsabresd/mx7dsabresd.c:538:5: warning: symbol 'board_ehci_hcd_init' was not declared. Should it be static?

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
1 file changed