tests/tcg/aarch64: Use raw strings for regexes in test-mte.py

Use Python's raw string notation instead of string literals for regex so
it's not necessary to double backslashes when regex special forms are
used. Raw notation is preferred for regex and easier to read.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20241015140806.385449-1-gustavo.romero@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20241023113406.1284676-15-alex.bennee@linaro.org>

tests/tcg/aarch64/gdbstub/test-mte.py

@@ -23,8 +23,8 @@
 from test_gdbstub import arg_parser, main, report
 
 
-PATTERN_0 = "Memory tags for address 0x[0-9a-f]+ match \\(0x[0-9a-f]+\\)."
-PATTERN_1 = ".*(0x[0-9a-f]+)"
+PATTERN_0 = r"Memory tags for address 0x[0-9a-f]+ match \(0x[0-9a-f]+\)."
+PATTERN_1 = r".*(0x[0-9a-f]+)"
 
 
 def run_test():