configs: ls1012ardb: Add CONFIG_ENV_ADDR

CONFIG_ENV_ADDR config option enables picking the environment from
flash before DDR init.
Signed-off-by: NAshish Kumar <Ashish.Kumar@nxp.com>
Signed-off-by: NKuldeep Singh <kuldeep.singh@nxp.com>
Signed-off-by: NPriyanka Jain <priyanka.jain@nxp.com>

include/configs/ls1012ardb.h

@@ -17,6 +17,10 @@
 #define CONFIG_SYS_MEMTEST_END		0x9fffffff
 
 
+/* ENV */
+#define CONFIG_SYS_FSL_QSPI_BASE	0x40000000
+#define CONFIG_ENV_ADDR			(CONFIG_SYS_FSL_QSPI_BASE + \
+					 CONFIG_ENV_OFFSET)
 /*
  * I2C IO expander
  */