drivers/sensors: fix misplaced endif in bmi160_base.c

Move the #endif preprocessor guard to after bmi160_transferspi()
so that both bmi160_configspi() and bmi160_transferspi() are
properly enclosed within the SPI conditional compilation block.

Signed-off-by: likun17 <likun17@xiaomi.com>

drivers/sensors/bmi160_base.c

@@ -49,7 +49,6 @@ static void bmi160_configspi(FAR struct spi_dev_s *spi)
   SPI_HWFEATURES(spi, 0);
   SPI_SETFREQUENCY(spi, BMI160_SPI_MAXFREQUENCY);
 }
-#endif
 
 /****************************************************************************
  * Name: bmi160_transferspi
@@ -122,6 +121,7 @@ static void bmi160_transferspi(FAR struct spi_dev_s *spi, bool write,
 
   SPI_LOCK(spi, false);
 }
+#endif
 
 /****************************************************************************
  * Private Data