dm: Use access methods for dev/uclass private data

Most drivers use these access methods but a few do not. Update them.

In some cases the access is not permitted, so mark those with a FIXME tag
for the maintainer to check.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Pratyush Yadav <p.yadav@ti.com>
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index 914217d..37a2338 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -524,7 +524,7 @@
 
 int pci_auto_config_devices(struct udevice *bus)
 {
-	struct pci_controller *hose = bus->uclass_priv;
+	struct pci_controller *hose = dev_get_uclass_priv(bus);
 	struct pci_child_plat *pplat;
 	unsigned int sub_bus;
 	struct udevice *dev;
@@ -1007,7 +1007,7 @@
 
 	debug("%s, bus=%d/%s, parent=%s\n", __func__, dev_seq(bus), bus->name,
 	      bus->parent->name);
-	hose = bus->uclass_priv;
+	hose = dev_get_uclass_priv(bus);
 
 	/*
 	 * Set the sequence number, if device_bind() doesn't. We want control
@@ -1109,7 +1109,7 @@
 				  uint offset, ulong *valuep,
 				  enum pci_size_t size)
 {
-	struct pci_controller *hose = bus->uclass_priv;
+	struct pci_controller *hose = dev_get_uclass_priv(bus);
 
 	return pci_bus_read_config(hose->ctlr, bdf, offset, valuep, size);
 }
@@ -1118,7 +1118,7 @@
 				   uint offset, ulong value,
 				   enum pci_size_t size)
 {
-	struct pci_controller *hose = bus->uclass_priv;
+	struct pci_controller *hose = dev_get_uclass_priv(bus);
 
 	return pci_bus_write_config(hose->ctlr, bdf, offset, value, size);
 }