ASoC: fsl_mqs: Remove duplicate linux/of.h header

Remove linux/of.h as is included more than once.
Reported by make includecheck.

Signed-off-by: Lucas Tanure <tanure@linux.com>
Acked-by: Shengjiu Wang <shengjiu.wang@gmail.com>
Link: https://lore.kernel.org/r/20231119104514.25536-1-tanure@linux.com
Signed-off-by: Mark Brown <broonie@kernel.org>