all: Reformat C and Python source code with tools/codeformat.py.

This is run with uncrustify 0.70.1, and black 19.10b0.
diff --git a/ports/esp8266/makeimg.py b/ports/esp8266/makeimg.py
index 091854f..a81b2d0 100644
--- a/ports/esp8266/makeimg.py
+++ b/ports/esp8266/makeimg.py
@@ -8,33 +8,33 @@
 
 md5 = hashlib.md5()
 
-with open(sys.argv[3], 'wb') as fout:
+with open(sys.argv[3], "wb") as fout:
 
-    with open(sys.argv[1], 'rb') as f:
+    with open(sys.argv[1], "rb") as f:
         data_flash = f.read()
         fout.write(data_flash)
         # First 4 bytes include flash size, etc. which may be changed
         # by esptool.py, etc.
         md5.update(data_flash[4:])
-        print('flash    ', len(data_flash))
+        print("flash    ", len(data_flash))
 
-    with open(sys.argv[2], 'rb') as f:
+    with open(sys.argv[2], "rb") as f:
         data_rom = f.read()
 
-    pad = b'\xff' * (SEGS_MAX_SIZE - len(data_flash))
+    pad = b"\xff" * (SEGS_MAX_SIZE - len(data_flash))
     assert len(pad) >= 4
     fout.write(pad[:-4])
     md5.update(pad[:-4])
     len_data = struct.pack("I", SEGS_MAX_SIZE + len(data_rom))
     fout.write(len_data)
     md5.update(len_data)
-    print('padding  ', len(pad))
+    print("padding  ", len(pad))
 
     fout.write(data_rom)
     md5.update(data_rom)
-    print('irom0text', len(data_rom))
+    print("irom0text", len(data_rom))
 
     fout.write(md5.digest())
 
-    print('total    ', SEGS_MAX_SIZE + len(data_rom))
-    print('md5      ', md5.hexdigest())
+    print("total    ", SEGS_MAX_SIZE + len(data_rom))
+    print("md5      ", md5.hexdigest())