Default to 2000 dps for L3GD20

src/drivers/l3gd20/l3gd20.cpp

@@ -337,7 +337,7 @@ L3GD20::init()
 	write_reg(ADDR_CTRL_REG5, REG5_FIFO_ENABLE);		/* disable wake-on-interrupt */
 	write_reg(ADDR_FIFO_CTRL_REG, FIFO_CTRL_STREAM_MODE);	/* Enable FIFO, old data is overwritten */
 
-	set_range(500);				/* default to 500dps */
+	set_range(2000);			/* default to 2000dps */
 	set_samplerate(0);			/* max sample rate */
 
 	ret = OK;