mtd: pxa3xx_nand: Don't alloc unneeded memory

The allocation size is reduced from what was introduced from the
Linux kernel, as U-boot uses the statically allocated nand_info
instead of needing to dynamically allocate an mtd_info instance.

Signed-off-by: Kevin Smith <kevin.smith@elecsyscorp.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Cc: Scott Wood <scottwood@freescale.com>
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index a83f6c2..9392742 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1600,9 +1600,9 @@
 	struct pxa3xx_nand_host *host;
 	int ret;
 
-	info = kzalloc(sizeof(*info) + (sizeof(struct mtd_info) +
-					sizeof(*host)) *
-		       CONFIG_SYS_MAX_NAND_DEVICE, GFP_KERNEL);
+	info = kzalloc(sizeof(*info) +
+				sizeof(*host) * CONFIG_SYS_MAX_NAND_DEVICE,
+			GFP_KERNEL);
 	if (!info)
 		return;