regulator: rtq2208: Fix invalid memory access when devm_of_regulator_put_matches is called

In this patch, a software bug has been fixed.
rtq2208_ldo_match is no longer a local variable.
It prevents invalid memory access when devm_of_regulator_put_matches
 is called.

Signed-off-by: Alina Yu <alina_yu@richtek.com>
Link: https://msgid.link/r/4ce8c4f16f1cf3aa4e5f36c0694dd3c5ccf3cd1c.1716870419.git.alina_yu@richtek.com


Signed-off-by: Mark Brown <broonie@kernel.org>