S32G doesn't have the max prescale erratum (default) and it can query
the max number of CS from hardware, so add those settings.
Signed-off-by: Larisa Grigore <larisa.grigore@nxp.com> Signed-off-by: Ciprian Marian Costea <ciprianmarian.costea@nxp.com> Signed-off-by: James Clark <james.clark@linaro.org> Reviewed-by: Frank Li <Frank.Li@nxp.com> Link: https://patch.msgid.link/20250828-james-nxp-lpspi-v2-9-6262b9aa9be4@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>