ti: omap3: config: remove 1 from boolean define

CONFIG_TWL4030_POWER is a boolean define variable. It is either defined
or not defined and should not have a value assigned to it.
Remove the value.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
diff --git a/include/configs/ti_omap3_common.h b/include/configs/ti_omap3_common.h
index be231a5..e399a87 100644
--- a/include/configs/ti_omap3_common.h
+++ b/include/configs/ti_omap3_common.h
@@ -66,7 +66,7 @@
 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)
 
 /* TWL4030 */
-#define CONFIG_TWL4030_POWER		1
+#define CONFIG_TWL4030_POWER
 
 /* SPL */
 #define CONFIG_SPL_TEXT_BASE		0x40200800