spi: bcm63xx: Fix module autoloading

Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded
based on the alias from platform_device_id table.

Fixes: 44d8fb30 ("spi/bcm63xx: move register definitions into the driver")
Cc: stable@vger.kernel.org
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://patch.msgid.link/20240819123349.4020472-2-ruanjinjie@huawei.com


Signed-off-by: Mark Brown <broonie@kernel.org>