staging: fsl-mc: up-rev dpcon binary interface to v2.0

dpcon object minor version number updated to match latest
MC firmware. This change is needed because the dpcon
object binds to the allocator and the current driver match
logic uses object version numbers.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>