arararagi: tspdrv: (by iodak) add vibrator control

Adapted from https://github.com/iodak/LG_X3_P880_v20a/commit/97700e06966a930ad0f3d114223bcedd65c80942
arararagi: Allow control of which backlight HVLEDs are turned on
Merge pull request #2 from mzhou/cm-10.1

Vibrator control, backlight control