regulator: msm: Add snapshot of regulator drivers for MSM8996

This is a snapshot of all regulator drivers as of
msm-3.14 commit:

3bc54cf86bdc7affa7cd4bf7faa3c57fe8f8819d (Merge "msm:
camera: Add dummy sub module in sensor pipeline")

Signed-off-by: Osvaldo Banuelos <osvaldob@codeaurora.org>
Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org>