[Github Issue] hd-idle: convert init script to procd
#### **DO NOT EDIT HERE!** Copy from https://github.com/CZ-NIC/turris-os-packages/issues/11
Clean up init script and introduce support for multiple disks.
Signed-off-by: Daniel Golle firstname.lastname@example.org
This is cherry picked from upstream OpenWRT and adds support for multiple disks, what is quite useful for the NAS perk...