The usage of GPIOs is optional in the code so don't force on gpiolib when
building it, avoiding warnings in randconfigs.
Signed-off-by: NMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220202192333.3655269-6-broonie@kernel.orgSigned-off-by: NMark Brown <broonie@kernel.org>