MVEBUMMC : Change copyright date

Signed-off-by: Gérald Kerma <drEagle@doukki.net>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>

drivers/mmc/mvebu_mmc.c

 /*
  * Marvell MMC/SD/SDIO driver
  *
- * (C) Copyright 2012
+ * (C) Copyright 2012-2014
  * Marvell Semiconductor <www.marvell.com>
  * Written-by: Maen Suleiman, Gerald Kerma
  *