Add support for LPSS SPI on Intel Raptor Lake PCH-S. It has four
controllers each having two chip selects.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Link: https://lore.kernel.org/r/20220216091317.1302254-1-jarkko.nikula@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>