spi: orion: Use device_get_match_data() helper

Use the device_get_match_data() helper instead of open coding.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1617258288-1490-1-git-send-email-tiantao6@hisilicon.com


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