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/reset/reset-rockchip.c b/drivers/reset/reset-rockchip.c
index e5e9918..eeb3d2e 100644
--- a/drivers/reset/reset-rockchip.c
+++ b/drivers/reset/reset-rockchip.c
@@ -11,6 +11,7 @@
 #include <linux/bitops.h>
 #include <linux/io.h>
 #include <asm/arch-rockchip/hardware.h>
+#include <dm/device-internal.h>
 #include <dm/lists.h>
 /*
  * Each reg has 16 bits reset signal for devices
@@ -121,7 +122,7 @@
 	priv = malloc(sizeof(struct rockchip_reset_priv));
 	priv->reset_reg_offset = reg_offset;
 	priv->reset_reg_num = reg_number;
-	rst_dev->priv = priv;
+	dev_set_priv(rst_dev, priv);
 
 	return 0;
 }