spi: spi-tle62x0: Use module_spi_driver macro

module_spi_driver eliminates module_init and module_exit
calls and makes the code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
1 file changed