battery: pass priority in by setter

src/drivers/power_monitor/ina238/ina238.cpp

@@ -72,8 +72,7 @@ INA238::INA238(const I2CSPIDriverConfig &config, int battery_index) :
 		hrt_absolute_time(),
 		0.0,
 		0.0,
-		false,
-		0
+		false
 	);
 }
 
@@ -201,8 +200,7 @@ int INA238::collect()
 		hrt_absolute_time(),
 		(float) bus_voltage * INA238_VSCALE,
 		(float) current * _current_lsb,
-		success,
-		0
+		success
 	);
 
 	perf_end(_sample_perf);
@@ -261,8 +259,7 @@ void INA238::RunImpl()
 			hrt_absolute_time(),
 			0.0f,
 			0.0f,
-			false,
-			0
+			false
 		);
 
 		if (init() != PX4_OK) {