spi: fix platform_no_drv_owner.cocci warning

Remove .owner field if calls are used which set it automatically.

Eliminate the following coccicheck warning:
./drivers/spi/spi-microchip-core.c:624:3-8: No need to set .owner here.
The core will do it.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220609055533.95866-1-yang.lee@linux.alibaba.com


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