The documented work-around for P4080 erratum SERDES-9 has been updated.
It is now compatible with the work-around for erratum A-4580.

This requires adding a few bitfield macros for the BnTTLCRy0 register.
Signed-off-by: NTimur Tabi <timur@freescale.com>
Signed-off-by: NAndy Fleming <afleming@freescale.com>