[dsmetool] Added --clear-rtc parameter to dsmetool

Signed-off-by: Pekka Lundstrom <pekka.lundstrom@jollamobile.com>
Remove extra include
Clean up
Version 0.64.4

Signed-off-by: Pekka Lundstrom <pekka.lundstrom@jollamobile.com>
Merge pull request #46 from plundstr/master

[dsmetool] Added --clear-rtc parameter to dsmetool