ARM: renesas: grpeach: Align env position

Move the U-Boot environment to 0x80000 to match the downstream
vendor fork and allow easy migration from one to the other.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Chris Brandt <chris.brandt@renesas.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/include/configs/grpeach.h b/include/configs/grpeach.h
index 01704d8..b7271ab 100644
--- a/include/configs/grpeach.h
+++ b/include/configs/grpeach.h
@@ -31,7 +31,7 @@
 #define CONFIG_ENV_OVERWRITE		1
 #define CONFIG_ENV_SECT_SIZE		(64 * 1024)
 #define CONFIG_ENV_SIZE			(CONFIG_ENV_SECT_SIZE)
-#define CONFIG_ENV_OFFSET		0xc0000
+#define CONFIG_ENV_OFFSET		0x80000
 
 /* Malloc */
 #define CONFIG_SYS_MALLOC_LEN		(1024 * 1024)