Use shorter perf names for L3GD20H

src/drivers/l3gd20/l3gd20.cpp

@@ -426,9 +426,9 @@ L3GD20::L3GD20(int bus, const char *path, spi_dev_e device, enum Rotation rotati
 	_orientation(SENSOR_BOARD_ROTATION_DEFAULT),
 	_read(0),
 	_sample_perf(perf_alloc(PC_ELAPSED, "l3gd20_read")),
-	_errors(perf_alloc(PC_COUNT, "l3gd20_errors")),
-	_bad_registers(perf_alloc(PC_COUNT, "l3gd20_bad_registers")),
-	_duplicates(perf_alloc(PC_COUNT, "l3gd20_duplicates")),
+	_errors(perf_alloc(PC_COUNT, "l3gd20_err")),
+	_bad_registers(perf_alloc(PC_COUNT, "l3gd20_bad_reg")),
+	_duplicates(perf_alloc(PC_COUNT, "l3gd20_dupe")),
 	_register_wait(0),
 	_gyro_filter_x(L3GD20_DEFAULT_RATE, L3GD20_DEFAULT_FILTER_FREQ),
 	_gyro_filter_y(L3GD20_DEFAULT_RATE, L3GD20_DEFAULT_FILTER_FREQ),