spi: spi-fsl-lpspi: Constify devtype datas

Add const for all devtype_data.

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-v2-6-6262b9aa9be4@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: james-c-linaro

drivers/spi/spi-fsl-lpspi.c

@@ -135,11 +135,11 @@ struct fsl_lpspi_data {
  * ERR051608 fixed or not:
  * https://www.nxp.com/docs/en/errata/i.MX93_1P87f.pdf
  */
-static struct fsl_lpspi_devtype_data imx93_lpspi_devtype_data = {
+static const struct fsl_lpspi_devtype_data imx93_lpspi_devtype_data = {
 	.prescale_max = 1,
 };
 
-static struct fsl_lpspi_devtype_data imx7ulp_lpspi_devtype_data = {
+static const struct fsl_lpspi_devtype_data imx7ulp_lpspi_devtype_data = {
 	.prescale_max = 7,
 };