Lift the OSTC3 INIT out of open
Lift the OSTC3 INIT out of open

This lifts the OSTC3 INIT command out from the open function and does
that separately. This is refactoring to be able to enter service mode so
we can access service mode commands.

Reviewed-by: Jef Driesen <b15fddc167525de4ad1fb3bc376a47e585fa0068@libdivecomputer.org>
Signed-off-by: Anton Lundin <0a6ca81d300dbabb82140c80e76039139ef86644@acc.umu.se>

glance-/libdivecomputer,henrik242/libdivecomputer,henrik242/libdivecomputer,Poltsi/libdivecomputer-vms,glance-/libdivecomputer