mfd: Make omap-usb-host TLL mode work again

This code section seems to have been accidentally copy pasted.
It causes incorrect bits to be set up in the TLL_CHANNEL_CONF
register and prevents the TLL mode from working correctly.

Cc: stable@kernel.org
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Cc: Keshava Munegowda <keshava_mgowda@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>