Yifeng Zhao d906bf5b18 spi: support slave mode and master mode runtime config
support slave mode and master mode runtime config.

Change-Id: Iabadbade8997bb8e3adef8ce95f6c45f6bb35329
Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
2020-03-16 10:20:03 +08:00
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