binman: Rename _ReadSubnodes() to ReadEntries()

This method name is more commonly used for this function. Use it
consistently.

Signed-off-by: Simon Glass <sjg@chromium.org>

tools/binman/etype/fit.py

@@ -136,10 +136,10 @@ class Entry_fit(Entry):
                                                                   str)])[0]
 
     def ReadNode(self):
-        self._ReadSubnodes()
+        self.ReadEntries()
         super().ReadNode()
 
-    def _ReadSubnodes(self):
+    def ReadEntries(self):
         def _AddNode(base_node, depth, node):
             """Add a node to the FIT
 

tools/binman/etype/intel_ifwi.py

@@ -50,7 +50,7 @@ class Entry_intel_ifwi(Entry_blob_ext):
         self._ifwi_entries = OrderedDict()
 
     def ReadNode(self):
-        self._ReadSubnodes()
+        self.ReadEntries()
         super().ReadNode()
 
     def _BuildIfwi(self):
@@ -117,7 +117,7 @@ class Entry_intel_ifwi(Entry_blob_ext):
         same = orig_data == self.data
         return same
 
-    def _ReadSubnodes(self):
+    def ReadEntries(self):
         """Read the subnodes to find out what should go in this IFWI"""
         for node in self._node.subnodes:
             entry = Entry.Create(self.section, node)

tools/binman/etype/mkimage.py

@@ -37,7 +37,7 @@ class Entry_mkimage(Entry):
         self._args = fdt_util.GetString(self._node, 'args').split(' ')
         self._mkimage_entries = OrderedDict()
         self.align_default = None
-        self._ReadSubnodes()
+        self.ReadEntries()
 
     def ObtainContents(self):
         data = b''
@@ -55,7 +55,7 @@ class Entry_mkimage(Entry):
         self.SetContents(tools.ReadFile(output_fname))
         return True
 
-    def _ReadSubnodes(self):
+    def ReadEntries(self):
         """Read the subnodes to find out what should go in this image"""
         for node in self._node.subnodes:
             entry = Entry.Create(self, node)