dm: treewide: Rename dev_get_platdata() to dev_get_plat()

Rename this to be consistent with the change from 'platdata'.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/broadwell_igd.c b/drivers/video/broadwell_igd.c
index 94d9470..69bf2ee 100644
--- a/drivers/video/broadwell_igd.c
+++ b/drivers/video/broadwell_igd.c
@@ -356,7 +356,7 @@
 
 static void igd_setup_panel(struct udevice *dev)
 {
-	struct broadwell_igd_plat *plat = dev_get_platdata(dev);
+	struct broadwell_igd_plat *plat = dev_get_plat(dev);
 	struct broadwell_igd_priv *priv = dev_get_priv(dev);
 	u32 reg32;
 
@@ -398,7 +398,7 @@
 
 static int igd_cdclk_init_haswell(struct udevice *dev)
 {
-	struct broadwell_igd_plat *plat = dev_get_platdata(dev);
+	struct broadwell_igd_plat *plat = dev_get_plat(dev);
 	struct broadwell_igd_priv *priv = dev_get_priv(dev);
 	int cdclk = plat->cdclk;
 	u16 devid;
@@ -472,7 +472,7 @@
 
 static int igd_cdclk_init_broadwell(struct udevice *dev)
 {
-	struct broadwell_igd_plat *plat = dev_get_platdata(dev);
+	struct broadwell_igd_plat *plat = dev_get_plat(dev);
 	struct broadwell_igd_priv *priv = dev_get_priv(dev);
 	int cdclk = plat->cdclk;
 	u32 dpdiv, lpcll, pwctl, cdset;
@@ -567,7 +567,7 @@
 
 static int igd_pre_init(struct udevice *dev, bool is_broadwell)
 {
-	struct broadwell_igd_plat *plat = dev_get_platdata(dev);
+	struct broadwell_igd_plat *plat = dev_get_plat(dev);
 	struct broadwell_igd_priv *priv = dev_get_priv(dev);
 	u32 rp1_gfx_freq;
 	int ret;
@@ -708,7 +708,7 @@
 
 static int broadwell_igd_ofdata_to_platdata(struct udevice *dev)
 {
-	struct broadwell_igd_plat *plat = dev_get_platdata(dev);
+	struct broadwell_igd_plat *plat = dev_get_plat(dev);
 	struct broadwell_igd_priv *priv = dev_get_priv(dev);
 	int node = dev_of_offset(dev);
 	const void *blob = gd->fdt_blob;