iio: imu: adis16475.c: Add has_burst32 flag to adis16477 devices

adis16477 devices support burst32 function, thus has_burst32
flag should be set to true.

Signed-off-by: Ramona Bolboaca <ramona.bolboaca@analog.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20230719123152.309624-3-ramona.bolboaca@analog.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>