ASoC: codecs: fix wm8524 build error

When CONFIG_OF is disabled, we run into a build error:

sound/soc/codecs/wm8524.c:257:21: error: 'wm8524_of_match' undeclared here (not in a function); did you mean 'wm8524_dai'?

This removes the unnecessary #ifdef around the match table.

Fixes: 007b6a54 ("ASoC: codecs: add wm8524 codec driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mihai Serban <mihai.serban@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>