DM_SPI and other driver model migration deadlines
are expired for this board.

Remove it.

Patch-cc: Ruchika Gupta <ruchika.gupta@nxp.com>
Signed-off-by: NJagan Teki <jagan@amarulasolutions.com>
Reviewed-by: NPriyanka Jain <priyanka.jain@nxp.com>