[ARM] remove memzero()

As suggested by Andrew Morton, remove memzero() - it's not supported
on other architectures so use of it is a potential build breaking bug.
Since the compiler optimizes memset(x,0,n) to __memzero() perfectly
well, we don't miss out on the underlying benefits of memzero().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 556139e..bc9aa64 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -818,7 +818,7 @@
 		goto exit_error;
 	}
 
-	memzero(info, sizeof(*info));
+	memset(info, 0, sizeof(*info));
 	platform_set_drvdata(pdev, info);
 
 	spin_lock_init(&info->controller.lock);
@@ -883,7 +883,7 @@
 		goto exit_error;
 	}
 
-	memzero(info->mtds, size);
+	memset(info->mtds, 0, size);
 
 	/* initialise all possible chips */