moveconfig: Correct some regular-expression strings

Use the 'r' prefix for these strings to avoid pylint warnings.

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

diff --git a/tools/moveconfig.py b/tools/moveconfig.py
index 36202fe5134cfae4b5184b9dabd0409c3dfaaf0b..0b0ce64e81fecc1d5d70611f618fd5d260a47cfc 100755 (executable)
--- a/tools/moveconfig.py
+++ b/tools/moveconfig.py
@@ -1153,10 +1153,10 @@ def prefix_config(cfg):
     return op + cfg
 
 
-RE_MK_CONFIGS = re.compile('CONFIG_(\$\(SPL_(?:TPL_)?\))?([A-Za-z0-9_]*)')
-RE_IFDEF = re.compile('(ifdef|ifndef)')
-RE_C_CONFIGS = re.compile('CONFIG_([A-Za-z0-9_]*)')
-RE_CONFIG_IS = re.compile('CONFIG_IS_ENABLED\(([A-Za-z0-9_]*)\)')
+RE_MK_CONFIGS = re.compile(r'CONFIG_(\$\(SPL_(?:TPL_)?\))?([A-Za-z0-9_]*)')
+RE_IFDEF = re.compile(r'(ifdef|ifndef)')
+RE_C_CONFIGS = re.compile(r'CONFIG_([A-Za-z0-9_]*)')
+RE_CONFIG_IS = re.compile(r'CONFIG_IS_ENABLED\(([A-Za-z0-9_]*)\)')
 
 class ConfigUse:
     def __init__(self, cfg, is_spl, fname, rest):