configs: at91: sama5_common: Adjust CONFIG_ENV_OFFSET to match block alignment

Fix the unaligned environment address.
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/at91-sama5_common.h b/include/configs/at91-sama5_common.h
index 5af7d1d..30c6cd4 100644
--- a/include/configs/at91-sama5_common.h
+++ b/include/configs/at91-sama5_common.h
@@ -57,7 +57,7 @@
 
 #ifdef CONFIG_NAND_BOOT
 /* u-boot env in nand flash */
-#define CONFIG_ENV_OFFSET		0xc0000
+#define CONFIG_ENV_OFFSET		0x140000
 #define CONFIG_ENV_OFFSET_REDUND	0x100000
 #define CONFIG_ENV_SIZE			0x20000
 #define CONFIG_BOOTCOMMAND		"nand read 0x21000000 0x180000 0x80000;"	\