spi: SPI core CS delay property rename

From: Hector Martin <marcan@marcan.st>
Date: Wed, 04 Jan 2023 18:36:26 +0900
Message-Id: <20230104093631.15611-1-marcan@marcan.st>
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Merge changes from Hector Martin <marcan@marcan.st>:

This brings the name of the cs-setup-ns parameter which was added during
the merge window into line with other delay properties.