board: ge: ppd: Fix environment variable location

This fixes environment variable location to avoid overlapping with
U-Boot itself. Also more space for environment variables has been
reserved to prevent future issues.

Signed-off-by: Nandor Han <nandor.han@ge.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>

include/configs/mx53ppd.h

@@ -199,8 +199,8 @@
 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
 
 /* FLASH and environment organization */
-#define CONFIG_ENV_OFFSET      (6 * 64 * 1024)
-#define CONFIG_ENV_SIZE        (8 * 1024)
+#define CONFIG_ENV_OFFSET      (12 * 64 * 1024)
+#define CONFIG_ENV_SIZE        (10 * 1024)
 #define CONFIG_ENV_IS_IN_MMC
 #define CONFIG_SYS_MMC_ENV_DEV 0