include/configs: remove references to SMNAND_ENV_OFFSET

In mancy cases both CONFIG_ENV_OFFSET and CONFIG_ENV_ADDR point
to an otherwise-unused SMNAND_ENV_OFFSET.
This patch will set both CONFIG_ENV_OFFSET and CONFIG_ENV_ADDR to
whatever value was defined by SMNAND_ENV_OFFSET.

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index ee22f4f..47a50bd 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -238,11 +238,10 @@
 
 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
 #define ONENAND_ENV_OFFSET		0x260000 /* environment starts here */
-#define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
 
 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
-#define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
-#define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
+#define CONFIG_ENV_OFFSET		0x260000
+#define CONFIG_ENV_ADDR			0x260000
 
 /* Defines for SPL */