scripts: re-indent Python scripts

Fixes the following warnings:

 $ pycodestyle --version
 2.5.0

 $ pycodestyle scripts/*.py
 scripts/bin_to_c.py:15:9: E117 over-indented
 scripts/bin_to_c.py:34:9: E117 over-indented
 scripts/bin_to_c.py:37:17: E117 over-indented
 scripts/bin_to_c.py:49:17: E117 over-indented
 scripts/bin_to_c.py:50:25: E117 over-indented
 scripts/bin_to_c.py:54:25: E117 over-indented
 scripts/bin_to_c.py:56:25: E117 over-indented
 scripts/bin_to_c.py:62:9: E117 over-indented

 $ cd core/arch/arm/plat-stm32mp1/scripts; \
   pycodestyle stm32image.py
 stm32image.py:21:9: E117 over-indented
 stm32image.py:27:9: E117 over-indented
 stm32image.py:29:17: E117 over-indented
 stm32image.py:39:9: E117 over-indented
 stm32image.py:77:9: E117 over-indented
 stm32image.py:84:17: E117 over-indented
 stm32image.py:96:9: E117 over-indented
 stm32image.py:100:9: E117 over-indented
 stm32image.py:125:9: E117 over-indented
 stm32image.py:140:9: E117 over-indented

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
diff --git a/scripts/bin_to_c.py b/scripts/bin_to_c.py
index 4968b6d..c9d2f01 100755
--- a/scripts/bin_to_c.py
+++ b/scripts/bin_to_c.py
@@ -12,51 +12,51 @@
 
 def get_args():
 
-        parser = argparse.ArgumentParser(description='Converts a binary file '
-                                         'into C source file defining binary '
-                                         'data as a constant byte array.')
+    parser = argparse.ArgumentParser(description='Converts a binary file '
+                                     'into C source file defining binary '
+                                     'data as a constant byte array.')
 
-        parser.add_argument('--bin', required=True,
-                            help='Path to the input binary file')
+    parser.add_argument('--bin', required=True,
+                        help='Path to the input binary file')
 
-        parser.add_argument('--vname', required=True,
-                            help='Variable name for the generated table in '
-                            'the output C source file.')
+    parser.add_argument('--vname', required=True,
+                        help='Variable name for the generated table in '
+                        'the output C source file.')
 
-        parser.add_argument('--out', required=True,
-                            help='Path for the generated C file')
+    parser.add_argument('--out', required=True,
+                        help='Path for the generated C file')
 
-        return parser.parse_args()
+    return parser.parse_args()
 
 
 def main():
 
-        args = get_args()
+    args = get_args()
 
-        with open(args.bin, 'rb') as indata:
-                bytes = indata.read()
-                size = len(bytes)
+    with open(args.bin, 'rb') as indata:
+        bytes = indata.read()
+        size = len(bytes)
 
-        f = open(args.out, 'w')
-        f.write('/* Generated from ' + args.bin + ' by ' +
-                os.path.basename(__file__) + ' */\n\n')
-        f.write('#include <compiler.h>\n')
-        f.write('#include <stdint.h>\n')
-        f.write('__extension__ const uint8_t ' + args.vname + '[] ' +
-                ' __aligned(__alignof__(uint64_t)) = {\n')
-        i = 0
-        while i < size:
-                if i % 8 == 0:
-                        f.write('\t\t')
-                f.write('0x' + '{:02x}'.format(bytes[i]) + ',')
-                i = i + 1
-                if i % 8 == 0 or i == size:
-                        f.write('\n')
-                else:
-                        f.write(' ')
-        f.write('};\n')
-        f.close()
+    f = open(args.out, 'w')
+    f.write('/* Generated from ' + args.bin + ' by ' +
+            os.path.basename(__file__) + ' */\n\n')
+    f.write('#include <compiler.h>\n')
+    f.write('#include <stdint.h>\n')
+    f.write('__extension__ const uint8_t ' + args.vname + '[] ' +
+            ' __aligned(__alignof__(uint64_t)) = {\n')
+    i = 0
+    while i < size:
+        if i % 8 == 0:
+            f.write('\t\t')
+        f.write('0x' + '{:02x}'.format(bytes[i]) + ',')
+        i = i + 1
+        if i % 8 == 0 or i == size:
+            f.write('\n')
+        else:
+            f.write(' ')
+    f.write('};\n')
+    f.close()
 
 
 if __name__ == "__main__":
-        main()
+    main()