hwmon: rename CONFIG_DS1722 to CONFIG_DTT_DS1722

Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-by: Stefan Roese <sr@denx.de>
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 61b028f..f09f145 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -32,7 +32,7 @@
 
 COBJS-$(CONFIG_DTT_ADM1021) += adm1021.o
 COBJS-$(CONFIG_DTT_DS1621) += ds1621.o
-COBJS-$(CONFIG_DS1722) += ds1722.o
+COBJS-$(CONFIG_DTT_DS1722) += ds1722.o
 COBJS-$(CONFIG_DTT_DS1775) += ds1775.o
 COBJS-$(CONFIG_DTT_LM73) += lm73.o
 COBJS-$(CONFIG_DTT_LM75) += lm75.o