ppc4xx: Move definition for PPC4xx NAND FLASH controller to header

This patch moves the definition for the PPC4xx NAND FLASH controller
(NDFC) CONFIG_NAND_NDFC into include/ppc4xx.h. This is needed for the
upcoming fix for the ECC byte ordering of the NDFC driver.

Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Scott Wood <scottwood@freescale.com>

cpu/ppc4xx/ndfc.c

 /*
  * Overview:
  *   Platform independend driver for NDFC (NanD Flash Controller)
- *   integrated into EP440 cores
+ *   integrated into IBM/AMCC PPC4xx cores
  *
- * (C) Copyright 2006-2007
+ * (C) Copyright 2006-2009
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
  * Based on original work by
@@ -32,10 +32,7 @@
 #include <common.h>
 
 #if defined(CONFIG_CMD_NAND) && !defined(CONFIG_NAND_LEGACY) && \
-	(defined(CONFIG_440EP) || defined(CONFIG_440GR) ||	     \
-	 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) ||	     \
-	 defined(CONFIG_405EZ) || defined(CONFIG_405EX) ||	     \
-	 defined(CONFIG_460EX) || defined(CONFIG_460GT))
+    defined(CONFIG_NAND_NDFC)
 
 #include <nand.h>
 #include <linux/mtd/ndfc.h>

include/ppc4xx.h

@@ -46,6 +46,13 @@
 #define CONFIG_SDRAM_PPC4xx_IBM_DDR2	/* IBM DDR(2) controller */
 #endif
 
+#if defined(CONFIG_440EP) || defined(CONFIG_440GR) ||	\
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) ||	\
+    defined(CONFIG_405EZ) || defined(CONFIG_405EX) ||	\
+    defined(CONFIG_460EX) || defined(CONFIG_460GT)
+#define CONFIG_NAND_NDFC
+#endif
+
 /* PLB4 CrossBar Arbiter Core supported across PPC4xx families */
 #if defined(CONFIG_405EX) || \
     defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \