core: add uclass_get_device_by_phandle_id() api

Add api for who can not get phandle from a device property.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
index 1aedaa0..628e2e1 100644
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -457,6 +457,32 @@
 }
 
 #if CONFIG_IS_ENABLED(OF_CONTROL)
+int uclass_get_device_by_phandle_id(enum uclass_id id, uint phandle_id,
+				    struct udevice **devp)
+{
+	struct udevice *dev;
+	struct uclass *uc;
+	int ret;
+
+	*devp = NULL;
+	ret = uclass_get(id, &uc);
+	if (ret)
+		return ret;
+
+	list_for_each_entry(dev, &uc->dev_head, uclass_node) {
+		uint phandle;
+
+		phandle = dev_read_phandle(dev);
+
+		if (phandle == phandle_id) {
+			*devp = dev;
+			return uclass_get_device_tail(dev, ret, devp);
+		}
+	}
+
+	return -ENODEV;
+}
+
 int uclass_get_device_by_phandle(enum uclass_id id, struct udevice *parent,
 				 const char *name, struct udevice **devp)
 {