tegra: paz00: store environment in eMMC

Store the environment in eMMC, at the end of the second boot sector.
This should not conflict with any other eMMC usage: U-Boot is stored
well below this location, and the kernel only uses the general area
of the eMMC once booted, not the boot sectors.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/include/configs/paz00.h b/include/configs/paz00.h
index d6f7fe3..29c368a 100644
--- a/include/configs/paz00.h
+++ b/include/configs/paz00.h
@@ -50,8 +50,10 @@
 #define CONFIG_CMD_EXT2
 #define CONFIG_CMD_FAT
 
-/* Environment not stored */
-#define CONFIG_ENV_IS_NOWHERE
+/* Environment in eMMC, at the end of 2nd "boot sector" */
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_OFFSET ((2 * 1024 * 1024) - CONFIG_ENV_SIZE)
+#define CONFIG_SYS_MMC_ENV_DEV 0
 
 /* USB Host support */
 #define CONFIG_USB_EHCI