[MTD] [NAND] rename at91_nand -> atmel_nand: internal symbols

This is basically s/at91_nand/atmel_nand/g with some manual inspection.

Signed-off-by: Håvard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/arch/arm/mach-at91/board-kb9202.c b/arch/arm/mach-at91/board-kb9202.c
index 4b39b9c..153450f 100644
--- a/arch/arm/mach-at91/board-kb9202.c
+++ b/arch/arm/mach-at91/board-kb9202.c
@@ -102,7 +102,7 @@
 	return kb9202_nand_partition;
 }
 
-static struct at91_nand_data __initdata kb9202_nand_data = {
+static struct atmel_nand_data __initdata kb9202_nand_data = {
 	.ale		= 22,
 	.cle		= 21,
 	// .det_pin	= ... not there