spi: spi-fsl-lpspi: Add compatible for S32G

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>

Author: Larisa Grigore

drivers/spi/spi-fsl-lpspi.c

@@ -145,9 +145,14 @@ static const struct fsl_lpspi_devtype_data imx7ulp_lpspi_devtype_data = {
 	/* All defaults */
 };
 
+static const struct fsl_lpspi_devtype_data s32g_lpspi_devtype_data = {
+	.query_hw_for_num_cs = true,
+};
+
 static const struct of_device_id fsl_lpspi_dt_ids[] = {
 	{ .compatible = "fsl,imx7ulp-spi", .data = &imx7ulp_lpspi_devtype_data,},
 	{ .compatible = "fsl,imx93-spi", .data = &imx93_lpspi_devtype_data,},
+	{ .compatible = "nxp,s32g2-lpspi", .data = &s32g_lpspi_devtype_data,},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, fsl_lpspi_dt_ids);