(1) Remove unused symbol "CFG_EEPROM_PAGE_WRITE_ENABLE".
(2) Use conditional Makefile.o.
Signed-off-by: Larry Johnson <lrj@acm.org>
 COBJS-y += ds1621.o
 COBJS-y += ds1722.o
 COBJS-y += ds1775.o
-COBJS-y += lm73.o
+COBJS-$(CONFIG_DTT_LM73) += lm73.o
 COBJS-y += lm75.o
 COBJS-y += lm81.o
 
 
  */
 
 #include <common.h>
-
-#ifdef CONFIG_DTT_LM73
-#if !defined(CFG_EEPROM_PAGE_WRITE_ENABLE) || \
-       (CFG_EEPROM_PAGE_WRITE_BITS < 1)
-# error "CFG_EEPROM_PAGE_WRITE_ENABLE must be defined and CFG_EEPROM_PAGE_WRITE_BITS must be greater than  1 to use CONFIG_DTT_LM73"
-#endif
-
 #include <i2c.h>
 #include <dtt.h>
 
 {
        return (dtt_read(sensor, DTT_READ_TEMP) + 0x0040) >> 7;
 } /* dtt_get_temp() */
-
-#endif /* CONFIG_DTT_LM73 */
 
 #define CFG_I2C_MULTI_EEPROMS
 #define CFG_I2C_EEPROM_ADDR    (0xa8>>1)
 #define CFG_I2C_EEPROM_ADDR_LEN 1
-#define CFG_EEPROM_PAGE_WRITE_ENABLE
 #define CFG_EEPROM_PAGE_WRITE_BITS 3
 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10