meta-gsj: quanta-nvme-powerctrl: add shared script

Add shared nvme_powerctrl_library script for mantain function
It could be easy review steps with specification.

Change-Id: Iedab2fb8f3518a607cb08fb755a9de8b0f5ee249
Signed-off-by: Samuel Jiang <Samuel.Jiang@quantatw.com>
2 files changed