M28: Pull out CONFIG_APBH_DMA so it's always enabled

The ABPH DMA is now used also by the SD card. Therefore it has to be enabled
even if NAND is disabled.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>

include/configs/m28evk.h

@@ -145,13 +145,17 @@
 #define	CONFIG_MXS_MMC
 #endif
 
+/*
+ * APBH DMA
+ */
+#define CONFIG_APBH_DMA
+
 /*
  * NAND
  */
 #define	CONFIG_ENV_SIZE			(16 * 1024)
 #ifdef	CONFIG_CMD_NAND
 #define	CONFIG_NAND_MXS
-#define CONFIG_APBH_DMA
 #define	CONFIG_SYS_MAX_NAND_DEVICE	1
 #define	CONFIG_SYS_NAND_BASE		0x60000000
 #define	CONFIG_SYS_NAND_5_ADDR_CYCLE