iio: imu: adis16475: use bit numbers in assign_bit()

assign_bit() expects a bit number and not a mask like BIT(x). Hence,
just remove the BIT() macro from the #defines.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/r/202311060647.i9XyO4ej-lkp@intel.com/
Fixes: fff7352 ("iio: imu: Add support for adis16475")
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20231106150730.945-1-nuno.sa@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Author: nunojsa

drivers/iio/imu/adis16475.c

@@ -70,8 +70,8 @@
 #define ADIS16475_MAX_SCAN_DATA		20
 /* spi max speed in brust mode */
 #define ADIS16475_BURST_MAX_SPEED	1000000
-#define ADIS16475_LSB_DEC_MASK		BIT(0)
-#define ADIS16475_LSB_FIR_MASK		BIT(1)
+#define ADIS16475_LSB_DEC_MASK		0
+#define ADIS16475_LSB_FIR_MASK		1
 #define ADIS16500_BURST_DATA_SEL_0_CHN_MASK	GENMASK(5, 0)
 #define ADIS16500_BURST_DATA_SEL_1_CHN_MASK	GENMASK(12, 7)