dm: core: Drop ofnode_is_available()

This function is also available as ofnode_is_enabled(), so use that
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c
index acd2992..8c0fb27 100644
--- a/drivers/crypto/fsl/jr.c
+++ b/drivers/crypto/fsl/jr.c
@@ -853,7 +853,7 @@
 
 	/* Check for enabled job ring node */
 	ofnode_for_each_subnode(node, dev_ofnode(dev)) {
-		if (!ofnode_is_available(node))
+		if (!ofnode_is_enabled(node))
 			continue;
 
 		jr_node = ofnode_read_u32_default(node, "reg", -1);