mx6_common: Fix LOADADDR and SYS_TEXT_BASE for i.MX6UL

DRAM space starts from 0x80000000 for i.MX6UL, so need to
fix LOADADDR, SYS_TEXT_BASE.
Signed-off-by: NPeng Fan <Peng.Fan@freescale.com>

include/configs/mx6_common.h

@@ -54,7 +54,7 @@
 #define CONFIG_REVISION_TAG
 
 /* Boot options */
-#if (defined(CONFIG_MX6SX) || defined(CONFIG_MX6SL))
+#if (defined(CONFIG_MX6SX) || defined(CONFIG_MX6SL) || defined(CONFIG_MX6UL))
 #define CONFIG_LOADADDR		0x82000000
 #ifndef CONFIG_SYS_TEXT_BASE
 #define CONFIG_SYS_TEXT_BASE	0x87800000