85xx boards: Rename CONFIG_DDR_DLL to CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN

This config option is for an erratum workaround; rename it to be more
clear.  Also, drop it from config files don't need it and were
undefining it.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/configs/TQM85xx.h b/include/configs/TQM85xx.h
index febe95d..79a958d 100644
--- a/include/configs/TQM85xx.h
+++ b/include/configs/TQM85xx.h
@@ -162,7 +162,7 @@
 
 #if defined(CONFIG_TQM8540) || defined(CONFIG_TQM8560)
 /* TQM8540 & 8560 need DLL-override */
-#define CONFIG_DDR_DLL				/* DLL fix needed	*/
+#define CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN	/* possible DLL fix needed */
 #define CONFIG_DDR_DEFAULT_CL	25		/* CAS latency 2,5	*/
 #endif /* CONFIG_TQM8540 || CONFIG_TQM8560 */