Pocketbook: Add reboot option. (#6625)
Pocketbook: Add reboot option. (#6625)

Turns out there's an IPC command for it.
Frenzie/koreader,Hzj-jie/koreader,Markismus/koreader,pazos/koreader,NiLuJe/koreader,mwoz123/koreader,koreader/koreader,koreader/koreader,NiLuJe/koreader,poire-z/koreader,Frenzie/koreader,poire-z/koreader