spi: hisi-sfc-v3xx: fix spelling mistake "occured" -> "occurred"

There is a spelling mistake in a dev_err message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200928123042.125359-1-colin.king@canonical.com


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