at91: Extended soft_i2c driver for AT91SAM9263 SoC

While hard_i2c support is not available
(see http://lists.denx.de/pipermail/u-boot/2009-March/049751.html),
this patch enables soft_i2c on AT91SAM9263 SoC.

Signed-off-by: Daniel Gorsulowski <Daniel.Gorsulowski@esd.eu>
diff --git a/drivers/i2c/soft_i2c.c b/drivers/i2c/soft_i2c.c
index 59883a5..9a48783 100644
--- a/drivers/i2c/soft_i2c.c
+++ b/drivers/i2c/soft_i2c.c
@@ -34,6 +34,11 @@
 #include <asm/io.h>
 #include <asm/arch/hardware.h>
 #endif
+#ifdef CONFIG_AT91SAM9263		/* only valid for AT91SAM9263 */
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+#endif
 #ifdef	CONFIG_IXP425			/* only valid for IXP425 */
 #include <asm/arch/ixp425.h>
 #endif