qemu: Introduce qemuBuildClockCommandLine
qemu: Introduce qemuBuildClockCommandLine

Add new function to manage adding the '-clock' options to the command
line removing that task from the mainline qemuBuildCommandLine.

Also includes some minor formatting cleanups.

Signed-off-by: John Ferlan <87558058f6f829e5ec976c8ef960720af4ff9c7d@redhat.com>

nertpinx/libvirt,taget/libvirt,VenkatDatta/libvirt,jfehlig/libvirt,jardasgit/libvirt,olafhering/libvirt,nertpinx/libvirt,olafhering/libvirt,libvirt/libvirt,VenkatDatta/libvirt,crobinso/libvirt,VenkatDatta/libvirt,zippy2/libvirt,taget/libvirt,libvirt/libvirt,taget/libvirt,nertpinx/libvirt,datto/libvirt,jfehlig/libvirt,crobinso/libvirt,jardasgit/libvirt,jfehlig/libvirt,olafhering/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,eskultety/libvirt,eskultety/libvirt,datto/libvirt,nertpinx/libvirt,datto/libvirt,eskultety/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,nertpinx/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,libvirt/libvirt,olafhering/libvirt,VenkatDatta/libvirt,zippy2/libvirt,taget/libvirt,jardasgit/libvirt,eskultety/libvirt,taget/libvirt,fabianfreyer/libvirt,datto/libvirt,jardasgit/libvirt,jfehlig/libvirt,zippy2/libvirt,eskultety/libvirt,crobinso/libvirt,crobinso/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,datto/libvirt,fabianfreyer/libvirt,libvirt/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,zippy2/libvirt