spi: mxc_spi: Fix chipselect on DM_SPI driver uclass

CS GPIO activation low/high is determinated by the device tree
so we don't need to take in accoung in cs_activate and cs_deactivate

Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>

drivers/spi/mxc_spi.c

@@ -60,7 +60,7 @@ static inline struct mxc_spi_slave *to_mxc_spi_slave(struct spi_slave *slave)
 static void mxc_spi_cs_activate(struct mxc_spi_slave *mxcs)
 {
 	if (CONFIG_IS_ENABLED(DM_SPI)) {
-		dm_gpio_set_value(&mxcs->ss, mxcs->ss_pol);
+		dm_gpio_set_value(&mxcs->ss, 1);
 	} else {
 		if (mxcs->gpio > 0)
 			gpio_set_value(mxcs->gpio, mxcs->ss_pol);
@@ -70,7 +70,7 @@ static void mxc_spi_cs_activate(struct mxc_spi_slave *mxcs)
 static void mxc_spi_cs_deactivate(struct mxc_spi_slave *mxcs)
 {
 	if (CONFIG_IS_ENABLED(DM_SPI)) {
-		dm_gpio_set_value(&mxcs->ss, !(mxcs->ss_pol));
+		dm_gpio_set_value(&mxcs->ss, 0);
 	} else {
 		if (mxcs->gpio > 0)
 			gpio_set_value(mxcs->gpio, !(mxcs->ss_pol));
@@ -508,7 +508,7 @@ static int mxc_spi_probe(struct udevice *bus)
 	if (plat->base == FDT_ADDR_T_NONE)
 		return -ENODEV;
 
-	ret = dm_gpio_set_value(&plat->ss, !(mxcs->ss_pol));
+	ret = dm_gpio_set_value(&plat->ss, 0);
 	if (ret) {
 		dev_err(bus, "Setting cs error\n");
 		return ret;