fsl: sys_eeprom: Fix 'may be used uninitialized' warning

The warning is bogus, so silence it by initializing the 'ret' variable.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: NTimur Tabi <timur@freescale.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

board/freescale/common/sys_eeprom.c

@@ -204,7 +204,8 @@ static void update_crc(void)
  */
 static int prog_eeprom(void)
 {
-	int ret, i;
+	int ret = 0; /* shut up gcc */
+	int i;
 	void *p;
 #ifdef CONFIG_SYS_EEPROM_BUS_NUM
 	unsigned int bus;