mtd: ep93xx: cleanup includes in ts7250 nand driver

1. <linux/io.h> should be included not <asm/io.h>
2. add platform specific header <mach/ts72xx.h>
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

drivers/mtd/nand/ts7250.c

@@ -24,8 +24,11 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
-#include <asm/io.h>
+#include <linux/io.h>
+
 #include <mach/hardware.h>
+#include <mach/ts72xx.h>
+
 #include <asm/sizes.h>
 #include <asm/mach-types.h>