staging: fsl-dpaa2: eth: move generic FD defines to DPIO

Previous commits:
commit 6e2387e8 ("staging: fsl-dpaa2/eth: Add Freescale DPAA2
Ethernet driver")
commit 39163c0c

 ("staging: fsl-dpaa2/eth: Errors checking update")

have added bits that are not specific to the WRIOP accelerator.

Move these where they belong (in DPIO) such that other accelerators
can make use of them.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Acked-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>