pinctrl: qcom: Add qcs405 pinctrl driver

Add initial pinctrl driver to support pin configuration with
pinctrl framework for qcs405.

Change-Id: Ic811f705ca0e05f60e06352dade9c436047d6a85
Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>