[ARM] 5257/2: [AT91] Use SZ_ definitions and MTDPART_OFS_NXTBLK instead of hex-values

In the various AT91 board files, replace hard-coded size values (eg,
0x800000) with the SZ_ size definitions (eg, SZ_8M) from sizes.h
Also replace MTD partition offsets with MTDPART_OFS_NXTBLK.

Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-at91/board-sam9-l9260.c b/arch/arm/mach-at91/board-sam9-l9260.c
index e4910cb..99bb4cc 100644
--- a/arch/arm/mach-at91/board-sam9-l9260.c
+++ b/arch/arm/mach-at91/board-sam9-l9260.c
@@ -126,11 +126,11 @@
 	{
 		.name	= "Bootloader Area",
 		.offset	= 0,
-		.size	= 10 * 1024 * 1024,
+		.size	= 10 * SZ_1M,
 	},
 	{
 		.name	= "User Area",
-		.offset	= 10 * 1024 * 1024,
+		.offset	= MTDPART_OFS_NXTBLK,
 		.size	= MTDPART_SIZ_FULL,
 	},
 };