mpc85xx/t1040qds: convert deep sleep to generic board interface

A new deep sleep interface is introduced to support generic
board structure. Converts it to use new interface.

Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/include/configs/T1040QDS.h b/include/configs/T1040QDS.h
index b70bdfe..5ebc870 100644
--- a/include/configs/T1040QDS.h
+++ b/include/configs/T1040QDS.h
@@ -47,7 +47,10 @@
 
 /* support deep sleep */
 #define CONFIG_DEEP_SLEEP
+#if defined(CONFIG_DEEP_SLEEP)
 #define CONFIG_SILENT_CONSOLE
+#define CONFIG_BOARD_EARLY_INIT_F
+#endif
 
 #ifndef CONFIG_SYS_TEXT_BASE
 #define CONFIG_SYS_TEXT_BASE	0xeff40000