iio: chemical: bme680: indent #defines consistently

Signed-off-by: David Frey <dpfrey@gmail.com>
Reviewed-by: Himanshu Jha <himanshujha199640@gmail.com>
Tested-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/chemical/bme680.h

@@ -18,6 +18,7 @@
 #define BME680_REG_GAS_MSB			0x2A
 #define BME680_REG_GAS_R_LSB			0x2B
 #define   BME680_GAS_STAB_BIT			BIT(4)
+#define   BME680_GAS_RANGE_MASK			0x0F
 
 #define BME680_REG_CTRL_HUMIDITY		0x72
 #define   BME680_OSRS_HUMIDITY_MASK		GENMASK(2, 0)
@@ -26,7 +27,6 @@
 #define   BME680_OSRS_TEMP_MASK			GENMASK(7, 5)
 #define   BME680_OSRS_PRESS_MASK		GENMASK(4, 2)
 #define   BME680_MODE_MASK			GENMASK(1, 0)
-
 #define     BME680_MODE_FORCED			1
 #define     BME680_MODE_SLEEP			0
 
@@ -48,7 +48,6 @@
 #define   BME680_RSERROR_MSK			0xF0
 #define BME680_REG_RES_HEAT_0			0x5A
 #define BME680_REG_GAS_WAIT_0			0x64
-#define BME680_GAS_RANGE_MASK			0x0F
 #define BME680_ADC_GAS_RES_SHIFT		6
 #define BME680_AMB_TEMP				25