spi: atmel-quadspi: switch to use modern name

[ Upstream commit ccbc6554 ]

Change legacy name master to modern name host or controller.

No functional changed.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20230110131805.2827248-4-yangyingliang@huawei.com


Signed-off-by: Mark Brown <broonie@kernel.org>
Stable-dep-of: be92ab2d ("spi: atmel-qspi: Memory barriers after memory-mapped I/O")
Signed-off-by: Sasha Levin <sashal@kernel.org>