.gitignore: add *.kate-swp

This makes git ignore swap files by kate.

Signed-off-by: Angelika Tobisch <tobisch@dresearch-fe.de>
meta-hipos: add hipos time service to systemd

This service gets the current time from the board controller's rtc
and then sets the system time accordingly.

It is executed once when the system is booted.

Signed-off-by: Angelika Tobisch <tobisch@dresearch-fe.de>