Add missing directions, residue_granularity,
srd_addr_widths and dst_addr_widths bitfields.

Without those we will see a kernel WARN()
when loading musb on am335x devices.
Signed-off-by: NFelipe Balbi <balbi@ti.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>