arm64: defconfig: Enable Qualcomm SC7180 pinctrl and gcc

Enable the Qualcomm SC7180 pinctrl and gcc driver, in order to allow the
kernel to boot to console.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200116045457.2489704-1-bjorn.andersson@linaro.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>