staging: fsl-mc: dprc: fix ordering problem freeing resources in remove of dprc

When unbinding a dprc from the dprc driver the cleanup of
the resource pools must happen after irq pool cleanup
is done.

Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>