drivers: sensor: hts221: correct default log configuration

Incorrect symbol used for default.

Signed-off-by: Peter A. Bigot <pab@pabigot.com>
diff --git a/drivers/sensor/hts221/hts221.c b/drivers/sensor/hts221/hts221.c
index 3003da1..95460dd 100644
--- a/drivers/sensor/hts221/hts221.c
+++ b/drivers/sensor/hts221/hts221.c
@@ -14,7 +14,7 @@
 
 #include "hts221.h"
 
-#define LOG_LEVEL CONFIG_SENSOR_LEVEL
+#define LOG_LEVEL CONFIG_SENSOR_LOG_LEVEL
 LOG_MODULE_REGISTER(HTS221);
 
 static int hts221_channel_get(struct device *dev,