ep93xx: IDE driver platform support code

Add IDE driver platform support code for ep93xx.

Signed-off-by: Rafal Prylowski <prylowski@metasoft.pl>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Ryan Mallon <rmallon@gmail.com>

arch/arm/mach-ep93xx/soc.h

@@ -69,6 +69,7 @@
 
 #define EP93XX_BOOT_ROM_BASE		EP93XX_AHB_IOMEM(0x00090000)
 
+#define EP93XX_IDE_PHYS_BASE		EP93XX_AHB_PHYS(0x000a0000)
 #define EP93XX_IDE_BASE			EP93XX_AHB_IOMEM(0x000a0000)
 
 #define EP93XX_VIC1_BASE		EP93XX_AHB_IOMEM(0x000b0000)