msm: sdio: increase sdio al block size to 256

This will improve SDIO throughput in ~10Mbps

Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
diff --git a/arch/arm/mach-msm/sdio_al.c b/arch/arm/mach-msm/sdio_al.c
index 9f845f2..09e5027 100644
--- a/arch/arm/mach-msm/sdio_al.c
+++ b/arch/arm/mach-msm/sdio_al.c
@@ -64,7 +64,7 @@
 #define SDIO_AL_ACTIVE_PIPES 8
 
 /** CMD53/CMD54 Block size */
-#define SDIO_AL_BLOCK_SIZE   128
+#define SDIO_AL_BLOCK_SIZE   256
 
 /** Func#1 hardware Mailbox base address	 */
 #define HW_MAILBOX_ADDR			0x1000