regulator: add snapshot of cpr3-regulator and dependent drivers

Add a snapshot of the cpr3-regulator family of drivers.
This is a snapshot taken as of msm-4.14 'commit <90153c60c7b956e9fa>
("Merge "pinctrl-msm: Add irq_set_wake support to msmgpio-dc irqchip")'.

Change-Id: I820db77118ced277aafb0f58639e97235d716022
Signed-off-by: Chetan C R <cchinnad@codeaurora.org>
Signed-off-by: Asha Magadi Venkateshamurthy <amagad@codeaurora.org>