ASoC: qcom: sc7180: Drop GPIO include

This driver is including the legacy GPIO header <linux/gpio.h>
but not using any symbols from it. Drop the include.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://msgid.link/r/20231214-gpio-descriptors-sound-misc-v1-2-e3004176bd8b@linaro.org


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