[ARM] pxa: update flash structure in onenand info

Since flash structure is changed from flash_platform_data to
onenand_platform_data in generic driver. Update the struct in saar
and ttc platform driver.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/saar.c b/arch/arm/mach-pxa/saar.c
index 9262587..3cccb08 100644
--- a/arch/arm/mach-pxa/saar.c
+++ b/arch/arm/mach-pxa/saar.c
@@ -545,7 +545,7 @@
 	}
 };
 
-static struct flash_platform_data saar_onenand_info = {
+static struct onenand_platform_data saar_onenand_info = {
 	.parts		= saar_onenand_partitions,
 	.nr_parts	= ARRAY_SIZE(saar_onenand_partitions),
 };