Fix missing drivers makefile entries ds1722.c mw_eeprom.c

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/drivers/mw_eeprom.c b/drivers/mw_eeprom.c
index 2a1f489..2b33488 100644
--- a/drivers/mw_eeprom.c
+++ b/drivers/mw_eeprom.c
@@ -1,11 +1,11 @@
 /* Three-wire (MicroWire) serial eeprom driver (for 93C46 and compatibles) */
 
 #include <common.h>
-#include <ssi.h>
-
 
 #ifdef CONFIG_MW_EEPROM
 
+#include <ssi.h>
+
 /*
  * Serial EEPROM opcodes, including start bit
  */