DaVinci: move AEMIF #define's to the proper headers

Currently each DaVinci board file #define's its own version of the EMIFA base
addresses (all named DAVINCI_ASYNC_EMIF_*_BASE), which leads to duplication.
Move these #define's to the SoC specific headers, changing their prefixes from
'DAVINCI' to the 'DM355', 'DM644X', and 'DM646X' since all these base addresses
are SoC specific...

And while at it, rename DM646X_ASYNC_EMIF_DATA_CE0_BASE to
DM646X_ASYNC_EMIF_CS2_SPACE_BASE in order to match the DM646x datasheet.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-davinci/board-dm355-evm.c

@@ -33,9 +33,6 @@
 #include <mach/mmc.h>
 #include <mach/usb.h>
 
-#define DAVINCI_ASYNC_EMIF_CONTROL_BASE		0x01e10000
-#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE	0x02000000
-
 /* NOTE:  this is geared for the standard config, with a socketed
  * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors.  If you
  * swap chips, maybe with a different block size, partitioning may
@@ -86,12 +83,12 @@ static struct davinci_nand_pdata davinci_nand_data = {
 
 static struct resource davinci_nand_resources[] = {
 	{
-		.start		= DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
-		.end		= DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
+		.start		= DM355_ASYNC_EMIF_DATA_CE0_BASE,
+		.end		= DM355_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
 		.flags		= IORESOURCE_MEM,
 	}, {
-		.start		= DAVINCI_ASYNC_EMIF_CONTROL_BASE,
-		.end		= DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
+		.start		= DM355_ASYNC_EMIF_CONTROL_BASE,
+		.end		= DM355_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 		.flags		= IORESOURCE_MEM,
 	},
 };