This patch fixes the endianness select for transfer buffers in EHCI
controllers that have Transaction Translator built in the hub.  Also I
cleaned it up to make rid of magic numbers.
Signed-off-by: NVladimir Barinov <vbarinov@ru.mvista.com>
Cc: <david-b@pacbell.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>