pinctrl: qcom: glymur: Fix the gpio and egpio pin functions

pinctrl: qcom: glymur: Fix the gpio and egpio pin functions

Mark the gpio/egpio as GPIO specific pin functions, othewise
the pin muxing generic framework will complain about the gpio
being already requested by a different owner.

Fixes: 87ebcd8baebf ("pinctrl: qcom: Add glymur pinctrl driver")
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>