spi: Fix test error for sp7021.

Remove the include path and modify parameters for fix error for bt binding test

Fixes: a708078e  ("spi: Add Sunplus SP7021 schema")
Signed-off-by: Li-hao Kuo <lhjeff911@gmail.com>
Link: https://lore.kernel.org/r/b8a94fbfcab68b1279b09b6297099310c209927b.1644198244.git.lhjeff911@gmail.com


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