mx7dsabresd: Remove unused config option

CONFIG_FEC_DMA_MINALIGN is not used anywhere, so let's remove it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/include/configs/mx7dsabresd.h b/include/configs/mx7dsabresd.h
index ec6e0a6..2a736c4 100644
--- a/include/configs/mx7dsabresd.h
+++ b/include/configs/mx7dsabresd.h
@@ -24,7 +24,6 @@
 
 #define CONFIG_PHYLIB
 #define CONFIG_PHY_BROADCOM
-#define CONFIG_FEC_DMA_MINALIGN		64
 /* ENET1 */
 #define IMX_FEC_BASE			ENET_IPS_BASE_ADDR