configs: at91: Adjust CONFIG_ENV_OFFSET to match sama5 address

In order to have a single ENV_OFFSET to manage, use the same as the sama5 one.
This address matches our NAND flash map available at:
http://www.at91.com/linux4sam/bin/view/Linux4SAM/Sama5d3XplainedMainPage#NAND_Flash_demo_Memory_map

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
[eugen.hristev@microchip.com: rework on latest version of u-boot]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
diff --git a/include/configs/at91sam9m10g45ek.h b/include/configs/at91sam9m10g45ek.h
index 2597066..bec1558 100644
--- a/include/configs/at91sam9m10g45ek.h
+++ b/include/configs/at91sam9m10g45ek.h
@@ -76,7 +76,7 @@
 
 #ifdef CONFIG_NAND_BOOT
 /* bootstrap + u-boot + env in nandflash */
-#define CONFIG_ENV_OFFSET		0x120000
+#define CONFIG_ENV_OFFSET		0x140000
 #define CONFIG_ENV_OFFSET_REDUND	0x100000
 #define CONFIG_ENV_SIZE			0x20000