Fix to davinci_nand.h to place CEnCFG registers at correct

Signed-off-by: Peter Howard <phoward@gme.net.au>
diff --git a/arch/arm/include/asm/ti-common/davinci_nand.h b/arch/arm/include/asm/ti-common/davinci_nand.h
index 11407be..f343ac2 100644
--- a/arch/arm/include/asm/ti-common/davinci_nand.h
+++ b/arch/arm/include/asm/ti-common/davinci_nand.h
@@ -35,10 +35,12 @@
 	uint32_t	sdrcr;
 	union {
 		uint32_t abncr[4];
-		uint32_t ab1cr;
-		uint32_t ab2cr;
-		uint32_t ab3cr;
-		uint32_t ab4cr;
+		struct {
+			uint32_t ab1cr;
+			uint32_t ab2cr;
+			uint32_t ab3cr;
+			uint32_t ab4cr;
+		};
 	};
 	uint32_t	sdtimr;
 	uint32_t	ddrsr;