Separate the CBDR data memory alloc standalone. It is convenient for
other part loading, for example the ENETC QOS part.
Reported-and-suggested-by: NVladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: NPo Liu <po.liu@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>