staging: dpaa2-ethsw: store version information of the DPSW object

Store the major and minor versions of the DPSW object in the ethsw
structure. This will be used in a subsequent patch to make sure some
commands are only called on the appropriate version of object.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20200714133431.17532-6-ioana.ciornei@nxp.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>