spi: sprd: Add ADI r3 support

ADI r3p0 is used on SC9863 and UMS512 SoCs.

Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/20210826091549.2138125-3-zhang.lyra@gmail.com


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