iio: ssp_sensors: Remove redundant spi driver bus initialization
iio: ssp_sensors: Remove redundant spi driver bus initialization

In ancient times it was necessary to manually initialize the bus
field of an spi_driver to spi_bus_type. These days this is done in
spi_register_driver(), so we can drop the manual assignment.

Signed-off-by: Antonio Borneo <671da3e274b6e69bd6120633f915f839d634d12f@gmail.com>
To: Jonathan Cameron <09f65b71b7655725897b2fd41a09a0cefe2e1ace@kernel.org>
To: Lars-Peter Clausen <3318dc5ce3e4fb7c28a0b841b6801c884e1d0896@metafoo.de>
To: Karol Wrona <6b89b93e6f3ed84480634020c27cc6d2b975969d@samsung.com>
To: 32da35b08930a2a085562835f3f3f2c0542992b7@vger.kernel.org
Cc: 2578944098299abf708b08eff6fcf60565553586@vger.kernel.org
Acked-by: Karol Wrona <6b89b93e6f3ed84480634020c27cc6d2b975969d@samsung.com>
Signed-off-by: Jonathan Cameron <09f65b71b7655725897b2fd41a09a0cefe2e1ace@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs