ARM: qcom_defconfig: Enable SDX55 pinctrl driver

Enable the Qcom SDX55 pinctrl driver and also enable the PINCTRL_MSM
driver explicitly since it is not selected by default directly.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210118053853.56224-3-manivannan.sadhasivam@linaro.org


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