[PATCH RESEND] ASoC: fix unmet dependencies on GPIOLIB for SND_SOC_DMIC

[Julian Braha]

> For Renoir platform, DMIC driver selected for registering codec dai with
> ASOC. No additional functionality handled related to GPIO.
> Do you still see necessity adding GPIOLIB dependency?

Hi Vijendar,

While most users are unlikely to encounter this, we still do not want unmet
dependency bugs in the build system. Adding the GPIOLIB dependency just ensures
that nobody tries to build an "illegal configuration" of the kernel.

- Julian Braha