dtoc: binman: Drop Python 2 code

Drop a few more Python 2 relics that are no-longer needed.

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

tools/binman/fmap_util.py

@@ -53,8 +53,8 @@ FmapArea = collections.namedtuple('FmapArea', FMAP_AREA_NAMES)
 
 
 def NameToFmap(name):
-    if type(name) == bytes and sys.version_info[0] >= 3:
-        name = name.decode('utf-8')  # pragma: no cover (for Python 2)
+    if type(name) == bytes:
+        name = name.decode('utf-8')
     return name.replace('\0', '').replace('-', '_').upper()
 
 def ConvertName(field_names, fields):

tools/dtoc/fdt.py

@@ -460,8 +460,7 @@ class Node:
             prop_name: Name of property to add
             val: String value of property
         """
-        if sys.version_info[0] >= 3:  # pragma: no cover
-            val = bytes(val, 'utf-8')
+        val = bytes(val, 'utf-8')
         self.AddData(prop_name, val + b'\0')
 
     def AddSubnode(self, name):