meta-quanta: gbs: NVMe SSD power control for GBS

add NVMe SSD power enable/disable DBus for sensors
and allow host to set SSD power

Note:
Need to set gpio-line-names in kernel dts for SSD
power enable/disable

Signed-off-by: George Hung <george.hung@quantatw.com>
Change-Id: Ibc063262bd955ddfd456cc5579c1435b2a395746
1 file changed